Auto merge of rust-lang#133379 - jieyouxu:rollup-00jxo71, r=jieyouxu

Rollup of 4 pull requests

Successful merges:

 - rust-lang#133217 ([AIX] Add option -X32_64 to the "strip" command)
 - rust-lang#133237 (Minimally constify `Add`)
 - rust-lang#133355 (Add language tests for aggregate types)
 - rust-lang#133374 (show abi_unsupported_vector_types lint in future breakage reports)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -1117,14 +1117,14 @@ fn link_natively(
         let stripcmd = "rust-objcopy";
         match (strip, crate_type) {
             (Strip::Debuginfo, _) => {
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-S"))
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &["-S"])
             }
             // Per the manpage, `-x` is the maximum safe strip level for dynamic libraries. (#93988)
             (Strip::Symbols, CrateType::Dylib | CrateType::Cdylib | CrateType::ProcMacro) => {
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-x"))
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &["-x"])
             }
             (Strip::Symbols, _) => {
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, None)
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &[])
             }
             (Strip::None, _) => {}
         }
@@ -1141,7 +1141,7 @@ fn link_natively(
         match strip {
             // Always preserve the symbol table (-x).
             Strip::Debuginfo => {
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-x"))
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &["-x"])
             }
             // Strip::Symbols is handled via the --strip-all linker option.
             Strip::Symbols => {}
@@ -1158,11 +1158,15 @@ fn link_natively(
         match strip {
             Strip::Debuginfo => {
                 // FIXME: AIX's strip utility only offers option to strip line number information.
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-l"))
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &[
+                    "-X32_64", "-l",
+                ])
             }
             Strip::Symbols => {
                 // Must be noted this option might remove symbol __aix_rust_metadata and thus removes .info section which contains metadata.
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-r"))
+                strip_symbols_with_external_utility(sess, stripcmd, out_filename, &[
+                    "-X32_64", "-r",
+                ])
             }
             Strip::None => {}
         }
@@ -1181,12 +1185,10 @@ fn strip_symbols_with_external_utility(
     sess: &Session,
     util: &str,
     out_filename: &Path,
-    option: Option<&str>,
+    options: &[&str],
 ) {
     let mut cmd = Command::new(util);
-    if let Some(option) = option {
-        cmd.arg(option);
-    }
+    cmd.args(options);
 
     let mut new_path = sess.get_tools_search_paths(false);
     if let Some(path) = env::var_os("PATH") {

compiler/rustc_lint_defs/src/builtin.rs

@@ -5173,7 +5173,7 @@ declare_lint! {
     Warn,
     "this function call or definition uses a vector type which is not enabled",
     @future_incompatible = FutureIncompatibleInfo {
-        reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps,
+        reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps,
         reference: "issue #116558 <https://github.com/rust-lang/rust/issues/116558>",
     };
 }

compiler/rustc_passes/src/stability.rs

@@ -590,16 +590,7 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> {
     }
 
     fn check_missing_const_stability(&self, def_id: LocalDefId, span: Span) {
-        // if the const impl is derived using the `derive_const` attribute,
-        // then it would be "stable" at least for the impl.
-        // We gate usages of it using `feature(const_trait_impl)` anyways
-        // so there is no unstable leakage
-        if self.tcx.is_automatically_derived(def_id.to_def_id()) {
-            return;
-        }
-
-        let is_const = self.tcx.is_const_fn(def_id.to_def_id())
-            || self.tcx.is_const_trait_impl(def_id.to_def_id());
+        let is_const = self.tcx.is_const_fn(def_id.to_def_id());
 
         // Reachable const fn must have a stability attribute.
         if is_const

library/core/src/lib.rs

@@ -174,6 +174,7 @@
 #![feature(const_is_char_boundary)]
 #![feature(const_precise_live_drops)]
 #![feature(const_str_split_at)]
+#![feature(const_trait_impl)]
 #![feature(decl_macro)]
 #![feature(deprecated_suggestion)]
 #![feature(doc_cfg)]

library/core/src/ops/arith.rs

@@ -73,6 +73,7 @@
     append_const_msg
 )]
 #[doc(alias = "+")]
+#[cfg_attr(not(bootstrap), const_trait)]
 pub trait Add<Rhs = Self> {
     /// The resulting type after applying the `+` operator.
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -94,6 +95,7 @@ pub trait Add<Rhs = Self> {
 macro_rules! add_impl {
     ($($t:ty)*) => ($(
         #[stable(feature = "rust1", since = "1.0.0")]
+        #[cfg(bootstrap)]
         impl Add for $t {
             type Output = $t;
 
@@ -103,6 +105,17 @@ macro_rules! add_impl {
             fn add(self, other: $t) -> $t { self + other }
         }
 
+        #[stable(feature = "rust1", since = "1.0.0")]
+        #[cfg(not(bootstrap))]
+        impl const Add for $t {
+            type Output = $t;
+
+            #[inline]
+            #[track_caller]
+            #[rustc_inherit_overflow_checks]
+            fn add(self, other: $t) -> $t { self + other }
+        }
+
         forward_ref_binop! { impl Add, add for $t, $t }
     )*)
 }

tests/ui/layout/aggregate-lang/struct-align.rs

@@ -0,0 +1,29 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-size-align
+//@ edition: 2018
+
+#[repr(align(64))]
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub struct Overaligned(u8);
+
+#[allow(dead_code)]
+struct ReprRustStruct {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+    b: Overaligned,
+}
+
+fn test_alignment_contains_all_fields() {
+    assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<i32>());
+    assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<[u32; 4]>());
+    assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<f32>());
+    assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<u128>());
+    assert!(core::mem::align_of::<ReprRustStruct>() >= core::mem::align_of::<Overaligned>());
+}
+
+fn main() {
+    test_alignment_contains_all_fields();
+}

tests/ui/layout/aggregate-lang/struct-offsets.rs

@@ -0,0 +1,78 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-offsets
+//@ edition: 2018
+
+#[repr(align(64))]
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub struct Overaligned(u8);
+
+#[allow(dead_code)]
+struct ReprRustStruct {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+    b: Overaligned,
+}
+
+macro_rules! span_of {
+    ($ty:ty , $field:tt) => {{
+        let __field = unsafe { ::core::mem::zeroed::<$ty>() };
+
+        (
+            core::mem::offset_of!($ty, $field),
+            core::mem::offset_of!($ty, $field) + core::mem::size_of_val(&__field.$field),
+        )
+    }};
+}
+
+fn test_fields_make_sense(a: &(usize, usize)) {
+    assert!(a.0 <= a.1);
+}
+
+// order is `begin, end`
+fn test_non_overlapping(a: &(usize, usize), b: &(usize, usize)) {
+    assert!((a.1 <= b.0) || (b.1 <= a.0));
+}
+
+fn test_fields_non_overlapping() {
+    let fields = [
+        span_of!(ReprRustStruct, x),
+        span_of!(ReprRustStruct, y),
+        span_of!(ReprRustStruct, z),
+        span_of!(ReprRustStruct, a),
+        span_of!(ReprRustStruct, b),
+    ];
+
+    test_fields_make_sense(&fields[0]);
+    test_fields_make_sense(&fields[1]);
+    test_fields_make_sense(&fields[2]);
+    test_fields_make_sense(&fields[3]);
+    test_fields_make_sense(&fields[4]);
+
+    test_non_overlapping(&fields[0], &fields[1]);
+    test_non_overlapping(&fields[0], &fields[2]);
+    test_non_overlapping(&fields[0], &fields[3]);
+    test_non_overlapping(&fields[0], &fields[4]);
+    test_non_overlapping(&fields[1], &fields[2]);
+    test_non_overlapping(&fields[2], &fields[3]);
+    test_non_overlapping(&fields[2], &fields[4]);
+    test_non_overlapping(&fields[3], &fields[4]);
+}
+
+fn test_fields_aligned() {
+    assert_eq!((core::mem::offset_of!(ReprRustStruct, x) % (core::mem::align_of::<i32>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustStruct, y) % (core::mem::align_of::<[u32; 4]>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustStruct, z) % (core::mem::align_of::<f32>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustStruct, a) % (core::mem::align_of::<u128>())), 0);
+    assert_eq!(
+        (core::mem::offset_of!(ReprRustStruct, b) % (core::mem::align_of::<Overaligned>())),
+        0
+    );
+}
+
+fn main() {
+    test_fields_non_overlapping();
+    test_fields_aligned();
+}

tests/ui/layout/aggregate-lang/struct-size.rs

@@ -0,0 +1,50 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-size-align
+//@ edition: 2018
+
+#[allow(dead_code)]
+struct ReprRustStruct {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+}
+
+fn test_size_contains_all_types() {
+    assert!(
+        core::mem::size_of::<ReprRustStruct>()
+            >= (core::mem::size_of::<i32>()
+                + core::mem::size_of::<[u32; 4]>()
+                + core::mem::size_of::<f32>()
+                + core::mem::size_of::<u128>())
+    );
+}
+
+fn test_size_contains_all_fields() {
+    assert!(
+        (core::mem::offset_of!(ReprRustStruct, x) + core::mem::size_of::<i32>())
+            <= core::mem::size_of::<ReprRustStruct>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustStruct, y) + core::mem::size_of::<[u32; 4]>())
+            <= core::mem::size_of::<ReprRustStruct>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustStruct, z) + core::mem::size_of::<f32>())
+            <= core::mem::size_of::<ReprRustStruct>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustStruct, a) + core::mem::size_of::<u128>())
+            <= core::mem::size_of::<ReprRustStruct>()
+    );
+}
+
+fn test_size_modulo_align() {
+    assert_eq!(core::mem::size_of::<ReprRustStruct>() % core::mem::align_of::<ReprRustStruct>(), 0);
+}
+
+fn main() {
+    test_size_contains_all_fields();
+    test_size_contains_all_types();
+    test_size_modulo_align();
+}

tests/ui/layout/aggregate-lang/union-align.rs

@@ -0,0 +1,29 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-size-align
+//@ edition: 2018
+
+#[repr(align(64))]
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub struct Overaligned(u8);
+
+#[allow(dead_code)]
+union ReprRustUnion {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+    b: Overaligned,
+}
+
+fn test_alignment_contains_all_fields() {
+    assert!(core::mem::align_of::<ReprRustUnion>() >= core::mem::align_of::<i32>());
+    assert!(core::mem::align_of::<ReprRustUnion>() >= core::mem::align_of::<[u32; 4]>());
+    assert!(core::mem::align_of::<ReprRustUnion>() >= core::mem::align_of::<f32>());
+    assert!(core::mem::align_of::<ReprRustUnion>() >= core::mem::align_of::<u128>());
+    assert!(core::mem::align_of::<ReprRustUnion>() >= core::mem::align_of::<Overaligned>());
+}
+
+fn main() {
+    test_alignment_contains_all_fields();
+}

tests/ui/layout/aggregate-lang/union-offsets.rs

@@ -0,0 +1,32 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-offsets
+//@ edition: 2018
+
+#[repr(align(64))]
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub struct Overaligned(u8);
+
+#[allow(dead_code)]
+union ReprRustUnion {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+    b: Overaligned,
+}
+
+fn test_fields_aligned() {
+    assert_eq!((core::mem::offset_of!(ReprRustUnion, x) % (core::mem::align_of::<i32>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustUnion, y) % (core::mem::align_of::<[u32; 4]>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustUnion, z) % (core::mem::align_of::<f32>())), 0);
+    assert_eq!((core::mem::offset_of!(ReprRustUnion, a) % (core::mem::align_of::<u128>())), 0);
+    assert_eq!(
+        (core::mem::offset_of!(ReprRustUnion, b) % (core::mem::align_of::<Overaligned>())),
+        0
+    );
+}
+
+fn main() {
+    test_fields_aligned();
+}

tests/ui/layout/aggregate-lang/union-size.rs

@@ -0,0 +1,47 @@
+//@ run-pass
+//@ reference: layout.aggregate.struct-size-align
+//@ edition: 2018
+
+#[allow(dead_code)]
+union ReprRustUnion {
+    x: i32,
+    y: [u32; 4],
+    z: f32,
+    a: u128,
+}
+
+fn test_size_contains_each_type() {
+    assert!(core::mem::size_of::<i32>() <= core::mem::size_of::<ReprRustUnion>());
+    assert!(core::mem::size_of::<[u32; 4]>() <= core::mem::size_of::<ReprRustUnion>());
+    assert!(core::mem::size_of::<f32>() <= core::mem::size_of::<ReprRustUnion>());
+    assert!(core::mem::size_of::<u128>() <= core::mem::size_of::<ReprRustUnion>());
+}
+
+fn test_size_contains_all_fields() {
+    assert!(
+        (core::mem::offset_of!(ReprRustUnion, x) + core::mem::size_of::<i32>())
+            <= core::mem::size_of::<ReprRustUnion>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustUnion, y) + core::mem::size_of::<[u32; 4]>())
+            <= core::mem::size_of::<ReprRustUnion>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustUnion, z) + core::mem::size_of::<f32>())
+            <= core::mem::size_of::<ReprRustUnion>()
+    );
+    assert!(
+        (core::mem::offset_of!(ReprRustUnion, a) + core::mem::size_of::<u128>())
+            <= core::mem::size_of::<ReprRustUnion>()
+    );
+}
+
+fn test_size_modulo_align() {
+    assert_eq!(core::mem::size_of::<ReprRustUnion>() % core::mem::align_of::<ReprRustUnion>(), 0);
+}
+
+fn main() {
+    test_size_contains_each_type();
+    test_size_contains_all_fields();
+    test_size_modulo_align();
+}

tests/ui/simd-abi-checks-empty-list.stderr

@@ -10,3 +10,14 @@ LL | pub extern "C" fn pass_by_vec(_: SimdVec) {}
 
 warning: 1 warning emitted
 
+Future incompatibility report: Future breakage diagnostic:
+warning: this function definition uses a SIMD vector type that is not currently supported with the chosen ABI
+  --> $DIR/simd-abi-checks-empty-list.rs:17:1
+   |
+LL | pub extern "C" fn pass_by_vec(_: SimdVec) {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+

tests/ui/simd-abi-checks-s390x.z10.stderr

@@ -109,3 +109,167 @@ LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>)
 
 error: aborting due to 10 previous errors
 
+Future incompatibility report: Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:46:1
+   |
+LL | extern "C" fn vector_ret_small(x: &i8x8) -> i8x8 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:52:1
+   |
+LL | extern "C" fn vector_ret(x: &i8x16) -> i8x16 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:99:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret_small(
+LL | |     x: &TransparentWrapper<i8x8>,
+LL | | ) -> TransparentWrapper<i8x8> {
+   | |_____________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:107:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret(
+LL | |     x: &TransparentWrapper<i8x16>,
+LL | | ) -> TransparentWrapper<i8x16> {
+   | |______________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:123:1
+   |
+LL | extern "C" fn vector_arg_small(x: i8x8) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:129:1
+   |
+LL | extern "C" fn vector_arg(x: i8x16) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:141:1
+   |
+LL | extern "C" fn vector_wrapper_arg_small(x: Wrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:147:1
+   |
+LL | extern "C" fn vector_wrapper_arg(x: Wrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:159:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg_small(x: TransparentWrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:165:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+

tests/ui/simd-abi-checks-s390x.z13_no_vector.stderr

@@ -109,3 +109,167 @@ LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>)
 
 error: aborting due to 10 previous errors
 
+Future incompatibility report: Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:46:1
+   |
+LL | extern "C" fn vector_ret_small(x: &i8x8) -> i8x8 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:52:1
+   |
+LL | extern "C" fn vector_ret(x: &i8x16) -> i8x16 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:99:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret_small(
+LL | |     x: &TransparentWrapper<i8x8>,
+LL | | ) -> TransparentWrapper<i8x8> {
+   | |_____________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:107:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret(
+LL | |     x: &TransparentWrapper<i8x16>,
+LL | | ) -> TransparentWrapper<i8x16> {
+   | |______________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:123:1
+   |
+LL | extern "C" fn vector_arg_small(x: i8x8) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:129:1
+   |
+LL | extern "C" fn vector_arg(x: i8x16) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:141:1
+   |
+LL | extern "C" fn vector_wrapper_arg_small(x: Wrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:147:1
+   |
+LL | extern "C" fn vector_wrapper_arg(x: Wrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:159:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg_small(x: TransparentWrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:165:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+

tests/ui/simd-abi-checks-s390x.z13_soft_float.stderr

@@ -109,3 +109,167 @@ LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>)
 
 error: aborting due to 10 previous errors
 
+Future incompatibility report: Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:46:1
+   |
+LL | extern "C" fn vector_ret_small(x: &i8x8) -> i8x8 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:52:1
+   |
+LL | extern "C" fn vector_ret(x: &i8x16) -> i8x16 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:99:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret_small(
+LL | |     x: &TransparentWrapper<i8x8>,
+LL | | ) -> TransparentWrapper<i8x8> {
+   | |_____________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:107:1
+   |
+LL | / extern "C" fn vector_transparent_wrapper_ret(
+LL | |     x: &TransparentWrapper<i8x16>,
+LL | | ) -> TransparentWrapper<i8x16> {
+   | |______________________________^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:123:1
+   |
+LL | extern "C" fn vector_arg_small(x: i8x8) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:129:1
+   |
+LL | extern "C" fn vector_arg(x: i8x16) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:141:1
+   |
+LL | extern "C" fn vector_wrapper_arg_small(x: Wrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:147:1
+   |
+LL | extern "C" fn vector_wrapper_arg(x: Wrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:159:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg_small(x: TransparentWrapper<i8x8>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Future breakage diagnostic:
+error: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `vector` target feature, which is not enabled
+  --> $DIR/simd-abi-checks-s390x.rs:165:1
+   |
+LL | extern "C" fn vector_transparent_wrapper_arg(x: TransparentWrapper<i8x16>) -> i64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+vector`) or locally (`#[target_feature(enable="vector")]`)
+note: the lint level is defined here
+  --> $DIR/simd-abi-checks-s390x.rs:15:9
+   |
+LL | #![deny(abi_unsupported_vector_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+

tests/ui/simd-abi-checks.stderr

@@ -91,3 +91,111 @@ LL | unsafe extern "C" fn w(_: Wrapper) {
 
 warning: 9 warnings emitted
 
+Future incompatibility report: Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:55:11
+   |
+LL |         f(g());
+   |           ^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:55:9
+   |
+LL |         f(g());
+   |         ^^^^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:63:14
+   |
+LL |         gavx(favx());
+   |              ^^^^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:63:9
+   |
+LL |         gavx(favx());
+   |         ^^^^^^^^^^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:75:19
+   |
+LL |         w(Wrapper(g()));
+   |                   ^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function call uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled in the caller
+  --> $DIR/simd-abi-checks.rs:75:9
+   |
+LL |         w(Wrapper(g()));
+   |         ^^^^^^^^^^^^^^^ function called here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
+  --> $DIR/simd-abi-checks.rs:26:1
+   |
+LL | unsafe extern "C" fn g() -> __m256 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
+  --> $DIR/simd-abi-checks.rs:20:1
+   |
+LL | unsafe extern "C" fn f(_: __m256) {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+
+Future breakage diagnostic:
+warning: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `avx` target feature, which is not enabled
+  --> $DIR/simd-abi-checks.rs:14:1
+   |
+LL | unsafe extern "C" fn w(_: Wrapper) {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+avx`) or locally (`#[target_feature(enable="avx")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+

tests/ui/sse-abi-checks.stderr

@@ -11,3 +11,15 @@ LL | pub unsafe extern "C" fn f(_: SseVector) {
 
 warning: 1 warning emitted
 
+Future incompatibility report: Future breakage diagnostic:
+warning: this function definition uses a SIMD vector type that (with the chosen ABI) requires the `sse` target feature, which is not enabled
+  --> $DIR/sse-abi-checks.rs:21:1
+   |
+LL | pub unsafe extern "C" fn f(_: SseVector) {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558>
+   = help: consider enabling it globally (`-C target-feature=+sse`) or locally (`#[target_feature(enable="sse")]`)
+   = note: `#[warn(abi_unsupported_vector_types)]` on by default
+

tests/ui/stability-attribute/missing-const-stability.rs

@@ -27,7 +27,7 @@ pub trait Bar {
 }
 #[stable(feature = "stable", since = "1.0.0")]
 impl const Bar for Foo {
-    //~^ ERROR implementation has missing const stability attribute
+    // ok because all users must enable `const_trait_impl`
     fn fun() {}
 }
 

tests/ui/stability-attribute/missing-const-stability.stderr

@@ -4,15 +4,6 @@ error: function has missing const stability attribute
 LL | pub const fn foo() {}
    | ^^^^^^^^^^^^^^^^^^^^^
 
-error: implementation has missing const stability attribute
-  --> $DIR/missing-const-stability.rs:29:1
-   |
-LL | / impl const Bar for Foo {
-LL | |
-LL | |     fn fun() {}
-LL | | }
-   | |_^
-
 error: function has missing const stability attribute
   --> $DIR/missing-const-stability.rs:36:1
    |
@@ -25,5 +16,5 @@ error: associated function has missing const stability attribute
 LL |     pub const fn foo() {}
    |     ^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 

tests/ui/traits/const-traits/call-const-trait-method-pass.stderr

@@ -1,12 +1,3 @@
-error: const `impl` for trait `Add` which is not marked with `#[const_trait]`
-  --> $DIR/call-const-trait-method-pass.rs:7:12
-   |
-LL | impl const std::ops::Add for Int {
-   |            ^^^^^^^^^^^^^
-   |
-   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
-   = note: adding a non-const method body in the future would be a breaking change
-
 error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]`
   --> $DIR/call-const-trait-method-pass.rs:15:12
    |
@@ -16,14 +7,6 @@ LL | impl const PartialEq for Int {
    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
    = note: adding a non-const method body in the future would be a breaking change
 
-error[E0015]: cannot call non-const operator in constants
-  --> $DIR/call-const-trait-method-pass.rs:39:22
-   |
-LL | const ADD_INT: Int = Int(1i32) + Int(2i32);
-   |                      ^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: calls in constants are limited to constant functions, tuple structs and tuple variants
-
 error[E0015]: cannot call non-const fn `<Int as PartialEq>::eq` in constant functions
   --> $DIR/call-const-trait-method-pass.rs:20:15
    |
@@ -32,6 +15,6 @@ LL |         !self.eq(other)
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
 
-error: aborting due to 4 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0015`.

tests/ui/traits/const-traits/const-and-non-const-impl.stderr

@@ -1,21 +1,3 @@
-error: const `impl` for trait `Add` which is not marked with `#[const_trait]`
-  --> $DIR/const-and-non-const-impl.rs:7:12
-   |
-LL | impl const std::ops::Add for i32 {
-   |            ^^^^^^^^^^^^^
-   |
-   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
-   = note: adding a non-const method body in the future would be a breaking change
-
-error: const `impl` for trait `Add` which is not marked with `#[const_trait]`
-  --> $DIR/const-and-non-const-impl.rs:23:12
-   |
-LL | impl const std::ops::Add for Int {
-   |            ^^^^^^^^^^^^^
-   |
-   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
-   = note: adding a non-const method body in the future would be a breaking change
-
 error[E0119]: conflicting implementations of trait `Add` for type `Int`
   --> $DIR/const-and-non-const-impl.rs:23:1
    |
@@ -38,7 +20,7 @@ LL | impl const std::ops::Add for i32 {
    = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
    = note: define and implement a trait or new type instead
 
-error: aborting due to 4 previous errors
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0117, E0119.
 For more information about an error, try `rustc --explain E0117`.

tests/ui/traits/const-traits/generic-bound.rs

@@ -1,4 +1,4 @@
-//@ known-bug: #110395
+//@ check-pass
 
 #![feature(const_trait_impl)]
 
@@ -26,5 +26,6 @@ const fn twice<T: std::ops::Add>(arg: S<T>) -> S<T> {
 }
 
 fn main() {
+    const _: S<i32> = twice(S(PhantomData));
     let _ = twice(S(PhantomData::<i32>));
 }