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[EmitC] [203455] Inconsistent handling of emitc.lvalue function arguments between mlir-opt and mlir-translate

mlir:emitc

Status: Open.

#203668 In llvm/llvm-project;

· Avaneethk opened on Jun 13, 2026

[LoopInterchange] Assertion failure when indirectbr is used

confirmedVerified by a second partyVerified by a second party

crash-on-valid

loopoptim

Status: Open.

Bug

#203664 In llvm/llvm-project;

· kasuga-fj opened on Jun 13, 2026

[libc] Improve wcslcat and wcsncat implementation.

good first issuehttps://github.com/llvm/llvm-project/contributehttps://github.com/llvm/llvm-project/contribute

libc

Status: Open.

#203649 In llvm/llvm-project;

· vonosmas opened on Jun 12, 2026

libclang_rt.nsan.a missing for check-compiler-rt from scratch

build-problem

compiler-rt:nsanNumerical stability sanitizerNumerical stability sanitizer

Status: Open.

#203647 In llvm/llvm-project;

· fmayer opened on Jun 12, 2026

LIBC++, CLANG 15.20, stable_partition() does meet the ISO C++ requirements of only calling the predicate N times for low memory situations

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

libc++libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.

Status: Open.

#203643 In llvm/llvm-project;

· sjhowe888 opened on Jun 12, 2026

Clang crash with exit code 139

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]

debuginfo

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

Status: Open.

Bug

#203627 In llvm/llvm-project;

· geoffromer opened on Jun 12, 2026

[llvm-dwp] Infinite loop on GCC DWARF5 .dwo: abbrev scan does not skip DW_FORM_implicit_const value (getCUAbbrev)

hangCompiler hang (infinite loop)Compiler hang (infinite loop)

tools:llvm-dwp

Status: Open.

Bug

#203625 In llvm/llvm-project;

· kchri-lmc opened on Jun 12, 2026

Request Commit Access For iamvickynguyen

infra:commit-access-request

Status: Open.

#203622 In llvm/llvm-project;

· iamvickynguyen opened on Jun 12, 2026

[AMDGPU] Properly fix WAR hazard for SMEM load followed by VMEM store

backend:AMDGPU

Status: Open.

#203610 In llvm/llvm-project;

· jayfoad opened on Jun 12, 2026

LLD emits invalid .hash section for s390x

lld:ELF

Status: Open.

Bug

#203588 In llvm/llvm-project;

· alexrp opened on Jun 12, 2026

SPIRV backend asserts on addl/subl intrinsics used in switch

backend:SPIR-V

confirmedVerified by a second partyVerified by a second party

crash-on-valid

Status: Open.

Bug

#203586 In llvm/llvm-project;

· sarnex opened on Jun 12, 2026

[clangd] Assertion llvm::sys::path::is_absolute(Path)' failed. when dictionary and file use relative path

clangd

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

generated by fuzzer

Status: Open.

Bug

#203582 In llvm/llvm-project;

· hongtaihu opened on Jun 12, 2026