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profiler_builtins compiled failed when I try to get the test coverage of std\core\alloc

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged. This issue may need triage. Remove it if it has been sufficiently triaged.

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.

#144299 In rust-lang/rust;

· surechen opened on Jul 22, 2025

Coverage tests produce invalid executables on x86_64-pc-windows-gnu

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

O-windows-gnuToolchain: GNU, Operating system: Windows Toolchain: GNU, Operating system: Windows

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)

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.

#144046 In rust-lang/rust;

· ForrestOfBarnes opened on Jul 17, 2025

missing coverage on aarch64 with -C opt-level=3

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

O-AArch64Armv8-A or later processors in AArch64 mode Armv8-A or later processors in AArch64 mode

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.

#143892 In rust-lang/rust;

· arielb1 opened on Jul 13, 2025

code coverage reporting for <code>let-else</code> interacts poorly with rustfmt

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

F-let_elseIssues related to let-else statements (RFC 3137) Issues related to let-else statements (RFC 3137)

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.

#143149 In rust-lang/rust;

· briansmith opened on Jun 28, 2025

Rust Coverage not working if macros are formatted across multiple lines

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

S-needs-reproStatus: This issue has no reproduction and needs a reproduction to make progress. Status: This issue has no reproduction and needs a reproduction to make progress.

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.

#142291 In rust-lang/rust;

· Ryang20718 opened on Jun 10, 2025

SIGILL when compiling <code>cc</code> with <code>-C instrument-coverage</code> <code>-Z coverage-options=mcdc</code>

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

F-coverage-mcdcMC/DC coverage via -Cinstrument-coverage with -Zcoverage-options=mcdc MC/DC coverage via -Cinstrument-coverage with -Zcoverage-options=mcdc

requires-nightlyThis issue requires a nightly compiler in some way. This issue requires a nightly compiler in some way.

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.

#140677 In rust-lang/rust;

· esarver opened on May 5, 2025

Coverage 0% when <code>opt-level = 3</code> and <code>aarch64-linux-android</code>

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

O-androidOperating system: Android Operating system: Android

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.

#139907 In rust-lang/rust;

· loynoir opened on Apr 16, 2025

ICE: coverage: <code>symbol_names: unexpected DefPathData: GlobalAsm</code>

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

#138261 In rust-lang/rust;

· matthiaskrgr opened on Mar 9, 2025

Test Coverage: cannot find uncovered lines and regions

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

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.

#137524 In rust-lang/rust;

· Nugine opened on Feb 24, 2025

ICE: stack overflow with instrument-coverage + gce

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

F-generic_const_exprs`#![feature(generic_const_exprs)]` `#![feature(generic_const_exprs)]`

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.

P-lowLow priority Low priority

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.

#135060 In rust-lang/rust;

· matthiaskrgr opened on Jan 3, 2025

Tracking issue for stabilizing the <code>#[coverage(..)]</code> attribute

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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

Status: Open.

Tracking Issue

#134749 In rust-lang/rust;

· Zalathar opened on Dec 25, 2024

Inlining <code>-Cinstrument-coverage</code> code into a uninstrumented crate causes problems

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage) Area: Source-based code coverage (-Cinstrument-coverage)

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.

#132436 In rust-lang/rust;

· Zalathar opened on Nov 1, 2024