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21.1.x clang-cl crash [Exception Code: 0xC0000005]

backend:X86

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#167793 In llvm/llvm-project;

· Rinn opened on Nov 12, 2025

linking with <code>cc</code> failed: ld terminated with signal 7 [Bus error], core dumped

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

#167785 In llvm/llvm-project;

· shuyangli opened on Nov 12, 2025

21.1.x clang-cl crash [Exception Code: 0xC0000005]

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

regression:21Regression in 21 releaseRegression in 21 release

Status: Open.

Bug

#167433 In llvm/llvm-project;

· Rinn opened on Nov 11, 2025

[clang] Crash compiling Jank master

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#167362 In llvm/llvm-project;

· tsliwkan opened on Nov 10, 2025

SafeInt broken with 18.1.3 (1ubuntu1)

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

new issue

Status: Open.

#167194 In llvm/llvm-project;

· dcleblanc opened on Nov 9, 2025

[PowerPC] Altivec doesn't support NaN return NaN behavior

backend:PowerPC

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#167102 In llvm/llvm-project;

· Link4Electronics opened on Nov 8, 2025

The issue when using clang 21 with the <code>-O2</code> compilation flag

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

#165847 In llvm/llvm-project;

· solomonwzs opened on Oct 31, 2025

clang 21.1.4: C++23 compilation crash

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#165348 In llvm/llvm-project;

· alex-tee opened on Oct 28, 2025

clang is crash

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#165152 In llvm/llvm-project;

· akemihomura0105 opened on Oct 26, 2025

[AMDGPU] double free or corruption (!prev) in runTreeUpDown while linking RCCL

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

#165062 In llvm/llvm-project;

· cgmb opened on Oct 25, 2025

[Clang 22][ICE] "cannot compile this l-value expression yet" when using std::array inside consteval lambda

clangClang issues not falling into any other categoryClang issues not falling into any other category

confirmedVerified by a second partyVerified by a second party

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

regression

Status: Open.

Bug

#165039 In llvm/llvm-project;

· Prevter opened on Oct 24, 2025

Compiler crash Exception Code: 0xC0000005

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#164846 In llvm/llvm-project;

· johnmgreenwood2-a11y opened on Oct 23, 2025