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NaNs are quieted on Emscripten

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

A-floating-pointArea: Floating point numbers and arithmeticArea: Floating point numbers and arithmetic

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-bugCategory: This is a bug.Category: This is a bug.

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#136197 In rust-lang/rust;

· purplesyringa opened on Jan 28, 2025

extern symbols are always mangled on wasm32-unknown-emscripten

A-name-manglingArea: name mangling / decorationArea: name mangling / decoration

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#135901 In rust-lang/rust;

· JaniM opened on Jan 22, 2025

LLVM assertion failure on Wasm exceptions

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-bugCategory: This is a bug.Category: This is a bug.

I-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

llvm-fixed-upstreamIssue expected to be fixed by the next major LLVM upgrade, or backported fixesIssue expected to be fixed by the next major LLVM upgrade, or backported fixes

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#135665 In rust-lang/rust;

· purplesyringa opened on Jan 18, 2025

Tracking issue for wasm32-emscripten ui test failures

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-bugCategory: This is a bug.Category: This is a bug.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

Status: Open.

#131738 In rust-lang/rust;

· hoodmane opened on Oct 15, 2024

Cannot build to emscripten target with strict mode enabled.

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#119464 In rust-lang/rust;

· TheVeryDarkness opened on Dec 31, 2023

[wasm32-unknown-emscripten] undefined symbols: longjmp, setjmp

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

Status: Open.

#118570 In rust-lang/rust;

· ahaoboy opened on Dec 3, 2023

[Emscripten] fail rustc by #4 0x000055cd94ae00ce lld::wasm::(anonymous namespace)::Writer::run() Writer.cpp:0:0

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

Status: Open.

#117352 In rust-lang/rust;

· yayoimizuha opened on Oct 29, 2023

Rust 1.73 + emscripten 3.1.44 fails if using filesystem api

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#116655 In rust-lang/rust;

· selassje opened on Oct 12, 2023

emscripten failure to run with ASYNCIFY=2

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#113882 In rust-lang/rust;

· benjamin-sieffert opened on Jul 20, 2023

Support wasm exception handling for Emscripten target

A-panicArea: Panicking machineryArea: Panicking machinery

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

Status: Open.

#112195 In rust-lang/rust;

· hoodmane opened on Jun 2, 2023

"unknown file type lib.rmeta" when compiling Emscripten side module

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

Status: Open.

#92738 In rust-lang/rust;

· hoodmane opened on Jan 10, 2022

'Referencing function in another module` error when compiling for target wasm32-unknown-emscripten (debug mode)

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#68637 In rust-lang/rust;

· georgeroman opened on Jan 29, 2020

Can't compile with emscripten on windows (rust.metadata.bin) The end of the file was unexpectedly encountered

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

O-windowsOperating system: WindowsOperating system: Windows

Status: Open.

#68146 In rust-lang/rust;

· Zazck opened on Jan 12, 2020

When running Emscripten tests, rustbuild should tell compilertest the version of the Emscripten LLVM, not the host LLVM

A-crossArea: Cross compilationArea: Cross compilation

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-bugCategory: This is a bug.Category: This is a bug.

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

Status: Open.

#49063 In rust-lang/rust;

· kennytm opened on Mar 15, 2018

Compiletest doesn't pass environment variables to emscripten tests

O-emscriptenTarget: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL!

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

Status: Open.

#31622 In rust-lang/rust;

· tomaka opened on Feb 13, 2016