Issues

• [lld][COFF] lld-link leaves an invalid section name Expected unchecked for an empty section declaration

  crashlld:COFF
  Bug

  llvm/llvm-project#239537 · Filter by author AnantaSrikar opened on Nov 6, 2026
  1

• [lld][COFF] lld-link hits llvm_unreachable in machineToStr for R4000 (/machine:mips)

  crashlld:COFF
  Bug

  llvm/llvm-project#239535 · Filter by author AnantaSrikar opened on Nov 6, 2026
  1

• [lld][COFF] lld-link asserts on duplicate CodeView subsections while printing a diagnostic

  crashlld:COFF
  Bug

  llvm/llvm-project#239529 · Filter by author AnantaSrikar opened on Nov 6, 2026
  1

• [AArch64] Compiling a streaming function containing floating point reduction when Auto SSVE flag "enable-scalable-autovec-in-streaming-mode" is used, causes toolchain crash.

  confirmedcrash-on-valid
  Bug

  llvm/llvm-project#239523 · Filter by author ShikharJ-Corp opened on Nov 6, 2026
  1

• [mlir][vector] Unify masking in the Vector dialect

  metaissuemlir:vectormlir:vectoropsmlir
  llvm/llvm-project#239511 · Filter by author FedericoBruzzone opened on Nov 6, 2026
  2

  

• [LoongArch] Misaligned frame-index offset on vldrepl.{h,w,d} loads the wrong address

  backend:loongarchconfirmedcrash-on-validmiscompilation
  Bug

  llvm/llvm-project#239508 · Filter by author heiher opened on Nov 6, 2026
  1

• [ConstraintElimination] Missing relational proofs across signed and unsigned comparisons

  new issue
  llvm/llvm-project#239497 · Filter by author 134ARG opened on Nov 6, 2026

• [lld][COFF] lld-link reaches cantFail on a truncated S_OBJNAME or S_COMPILE3 record

  crashlld:COFF
  Bug

  llvm/llvm-project#239491 · Filter by author AnantaSrikar opened on Nov 6, 2026
  1

• [lld][COFF] lld-link asserts on the reserved section alignment code 0xF

  crashlld:COFF
  Bug

  llvm/llvm-project#239490 · Filter by author AnantaSrikar opened on Nov 6, 2026
  1

• [clang][OpenACC][objective-c++] Assertion `type->isIntegerType() && "Illegal type in IntegerLiteral"' failed.

  clang:frontendclang:openacccrash-on-invalidgenerated by fuzzerobjective-c++regression:22
  Bug

  llvm/llvm-project#239483 · Filter by author k-arrows opened on Nov 6, 2026
  2

• [clangd] A compile command containing --version makes the driver print to stdout, corrupting the LSP stream

  clang:driverclangd
  llvm/llvm-project#239478 · Filter by author pengi opened on Nov 6, 2026
  4

• [LoopLoadElim] Miscompilation on array value store

  confirmedloopoptimmiscompilation
  Bug

  llvm/llvm-project#239477 · Filter by author mikekben opened on Nov 6, 2026
  1

• [gold] SIGBUS in LLVMgold.so when GNU nm reads a truncated .a: MemoryBuffer::getOpenFileSlice maps the archive member past EOF without checking

  new issue
  llvm/llvm-project#239476 · Filter by author benjamin-rood opened on Nov 6, 2026

• [clang] Assertion `!IsAtEnd() && "No token on the RHS of a paste operator!"' failed.

  clang:frontendcrash-on-invalidgenerated by fuzzer
  Bug

  llvm/llvm-project#239457 · Filter by author k-arrows opened on Nov 6, 2026
  2

• [AArch64] tailcc: stack-argument pop is skipped on shrink-wrapped returns

  backend:AArch64
  llvm/llvm-project#239456 · Filter by author pchiusano opened on Nov 6, 2026
  1

• [AArch64] Entry-block realignment scratch is always X9: clobbers the Arm64EC thunk argument and the callee-saved X9 of preserve_most/preserve_all

  backend:AArch64confirmedmiscompilation
  Bug

  llvm/llvm-project#239453 · Filter by author 20000419 opened on Nov 6, 2026
  3

• [ConstantFold][SelectionDAG] fpext of a subnormal float constant ignores denormal_fpenv input flush

  confirmedconstant-foldingllvm:SelectionDAGmiscompilation
  Bug

  llvm/llvm-project#239446 · Filter by author 20000419 opened on Nov 6, 2026

• [DAGCombine] Endless recombinging in visitUINT_TO_FP()

  llvm:SelectionDAG
  llvm/llvm-project#239444 · Filter by author JonPsson1 opened on Nov 6, 2026

• [mlir][SparseTensor] sparsifier crashes when gpu-triple is specified without gpu-chip

  crashmlir
  Bug

  llvm/llvm-project#239436 · Filter by author secona opened on Nov 6, 2026
  1

• Significant performance differences between Clang and NVCC due to register pressure and load scheduling

  clang
  llvm/llvm-project#239427 · Filter by author ArnauCinca opened on Nov 6, 2026

• [LifetimeSafety] False positive "parameter is later invalidated" when destroying a range with p->~T() in a loop

  clang:temporal-safetyfalse-positive
  llvm/llvm-project#239421 · Filter by author ahatanak opened on Nov 5, 2026
  2

• [clang] C++26: type-constraint pack with a fold-based concept is checked against the wrong pack element

  c++26clang:frontendconcepts
  llvm/llvm-project#239411 · Filter by author Nemi26 opened on Nov 5, 2026
  2

• [DFAJumpThreading] Wrong code: threading a path decided by a later state definition redirects a path carrying an earlier one

  confirmedllvm:transformsmiscompilation
  Bug

  llvm/llvm-project#239409 · Filter by author trevp opened on Nov 5, 2026

• [lld][COFF] lld-link reaches cantFail on a section whose raw data extends past the end of the file

  crashlld:COFF
  Bug

  llvm/llvm-project#239406 · Filter by author AnantaSrikar opened on Nov 5, 2026
  2

• Request Commit Access For pl98

  infra:commit-access-request
  llvm/llvm-project#239401 · Filter by author pl98 opened on Nov 5, 2026
  3