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Description
The following code produces an internal compiler error:
pub fn ice() -> Box<(u32, [u8])> {
unimplemented!()
}
From playground:
rustc 1.16.0-nightly (bf6d7b665 2017-01-15)
error: internal compiler error: /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/librustc_trans/type_of.rs:118: size differs (rustc: 4, llvm: 24) for type `(u32, [u8])` / Univariant {
variant: Struct {
align: Align {
raw: 50
},
packed: false,
sized: false,
offsets: [
Size {
raw: 0
},
Size {
raw: 4
}
],
memory_index: [
0,
1
],
min_size: Size {
raw: 4
}
},
non_zero: false
}
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
note: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/librustc_errors/lib.rs:423
stack backtrace:
1: 0x7f1bc941a6bc - std::sys::imp::backtrace::tracing::imp::write::h9c41d2f69e5caabf
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:42
2: 0x7f1bc9428afe - std::panicking::default_hook::{{closure}}::hcc803c8663cda123
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/panicking.rs:351
3: 0x7f1bc94286a3 - std::panicking::default_hook::hd5bda4e453dfb4be
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/panicking.rs:361
4: 0x7f1bc9428f9b - std::panicking::rust_panic_with_hook::hffbc74969c7b5d87
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/panicking.rs:555
5: 0x7f1bc1a16a37 - std::panicking::begin_panic::he43dc5d9a599d346
6: 0x7f1bc1a2c039 - rustc_errors::Handler::bug::h7088c6afc4a008fb
7: 0x7f1bc674790a - rustc::session::opt_span_bug_fmt::{{closure}}::hfd034971cdf18ea9
8: 0x7f1bc67473c5 - rustc::session::opt_span_bug_fmt::hc2cac313cb6d0020
9: 0x7f1bc6747022 - rustc::session::bug_fmt::he01375c3004c5cfe
10: 0x7f1bc8b588ab - rustc_trans::type_of::sizing_type_of::h4d7312d21836b0c7
11: 0x7f1bc8ac3139 - rustc_trans::abi::FnType::unadjusted::h598b926ecccf5431
12: 0x7f1bc8b19405 - rustc_trans::declare::declare_fn::h04a136a66996d898
13: 0x7f1bc8b52f46 - rustc_trans::trans_item::TransItem::predefine::he9886853e5fcfedb
14: 0x7f1bc8ad1f12 - rustc_trans::base::trans_crate::h496d157cb52a4b02
15: 0x7f1bc97e20b0 - rustc_driver::driver::phase_4_translate_to_llvm::h106eb073675c3bee
16: 0x7f1bc97b3e22 - rustc_driver::driver::compile_input::{{closure}}::heec508e3b0737586
17: 0x7f1bc97d5541 - rustc_driver::driver::phase_3_run_analysis_passes::{{closure}}::haa13372f770e9055
18: 0x7f1bc9733319 - rustc::ty::context::TyCtxt::create_and_enter::h6acd1d75709e85e8
19: 0x7f1bc97b1dd0 - rustc_driver::driver::compile_input::h44853ffed84a12cb
20: 0x7f1bc97f7034 - rustc_driver::run_compiler::hdc4bb0fcf7d0917a
21: 0x7f1bc96fbc5b - std::panicking::try::do_call::h84a15e0d2b943318
22: 0x7f1bc9431dda - __rust_maybe_catch_panic
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libpanic_unwind/lib.rs:98
23: 0x7f1bc97259a2 - <F as alloc::boxed::FnBox<A>>::call_box::h61c78220cad685ea
24: 0x7f1bc9427954 - std::sys::imp::thread::Thread::new::thread_start::h76badbf9b0ecaf58
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/liballoc/boxed.rs:615
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/sys_common/thread.rs:21
at /buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libstd/sys/unix/thread.rs:84
25: 0x7f1bc11c16b9 - start_thread
26: 0x7f1bc90de82c - clone
27: 0x0 - <unknown>
Activity
est31 commentedon Jan 17, 2017
Seems like a dupe of #34451
brson commentedon Jan 18, 2017
Thanks for the report @scottmcm.
Closing in favor of the other.