Issues

• rustc caught SIGSEGV and gave a pretty stacktrace

  A-LLVMC-bugI-crashI-llvm-errorS-needs-repro
  rust-lang/rust#164321 · Filter by author Spindel opened on Oct 14, 2026
  3

• Crash at opt-level=3 in LLVM loop unrolling on a nested enumerate/step_by loop

  A-LLVMC-bugI-crashT-compiler
  rust-lang/rust#164185 · Filter by author zxt5 opened on Oct 12, 2026
  1

• Crash on checked_mul in a collected iterator at opt-level ≥ 2 (regression in 1.99)

  A-LLVMC-bugI-crashI-llvm-errorP-highregression-from-stable-to-stableS-has-bisection
  rust-lang/rust#164124 · Filter by author zxt5 opened on Oct 10, 2026
  2

• [ICE]: SIGBUS in LLVM 24 ScalarEvolution at opt-level=3 when compiling some Vec::push

  A-LLVMC-bugI-crashneeds-triageT-compiler
  rust-lang/rust#163480 · Filter by author wsxarcher opened on Sep 29, 2026
  2

• SIGBUS on aarch64-apple-darwin during deep nominal trait projection with elevated recursion_limit

  A-trait-systemI-crashneeds-triageO-apple
  rust-lang/rust#162863 · Filter by author ChloeVPin opened on Sep 16, 2026

• E0275 in 7 s at the default recursion limit becomes a multi-hour hang at recursion_limit = "4096", which is what the E0275 help text suggests

  A-associated-itemsA-monomorphizationI-crashI-hangI-prioritizeregression-from-stable-to-stableS-has-mcveT-compilerT-types
  rust-lang/rust#162356 · Filter by author vidaunited opened on Sep 6, 2026
  8

  

• error: rustc interrupted by SIGBUS, printing backtrace

  C-bugI-crashneeds-triage
  rust-lang/rust#162311 · Filter by author Jan-WillemArnold opened on Sep 4, 2026

• llvm error when building compiler_builtins with rustc with sancov since update to llvm 23

  A-code-coverageA-LLVMC-bugE-needs-mcveI-crashT-compiler
  rust-lang/rust#161855 · Filter by author matthiaskrgr opened on Aug 27, 2026
  11

• rustc crashes with SIGSEGV and stack overflow on nightly 1.100

  A-patternsC-bugI-crashT-compiler
  rust-lang/rust#161823 · Filter by author RodrigoAroeira opened on Aug 26, 2026
  3

• [ICE]: cargo-quickinstall on aarch64-apple-darwin

  A-linkageA-LLVMC-gubI-crashT-compiler
  rust-lang/rust#161572 · Filter by author NobodyXu opened on Aug 23, 2026
  5

• [ICE]: assumptions-on-binders: stack overflow

  -Zassumptions-on-bindersC-bugI-crashT-compiler
  rust-lang/rust#161526 · Filter by author matthiaskrgr opened on Aug 22, 2026
  1

• [ICE]: trying to emulate goto statements with blocks and labels crashes the parser

  C-bugI-crashT-compiler
  rust-lang/rust#160759 · Filter by author vrtgs opened on Aug 8, 2026
  9

• rustc SIGSEGV on RISC-V when building simple Hello World on Ubuntu in stable and nightly version

  C-bugI-crashneeds-triageO-riscvT-compiler
  rust-lang/rust#157749 · Filter by author lokai-kuroi opened on Jun 11, 2026
  4

• [ICE]: llvm assertion with debuginfo Assertion SizeInBits >= OffsetInBits - FragmentOffset && "size underflow" failed

  A-debuginfoA-LLVMA-LTOC-bugI-crashrequires-debug-assertionsT-compiler
  rust-lang/rust#156057 · Filter by author matthiaskrgr opened on May 1, 2026

• [ICE]: patchable_function_entry llvm crashes in TargetInstrInfo

  A-LLVMC-bugF-patchable_function_entryI-crashO-wasmT-compiler
  rust-lang/rust#156052 · Filter by author matthiaskrgr opened on May 1, 2026

• Rustc version 1.94.1 fails with error "fatal runtime error: out of TLS keys, aborting"

  A-thread-localsC-bugI-crashO-haikuregression-from-stable-to-stableT-compiler
  rust-lang/rust#155758 · Filter by author lordmulder opened on Apr 24, 2026
  22

• Compiler segfaults while compiling Hello World to m68k-unknown-none-elf

  C-bugI-crashO-motorola68kT-compiler
  rust-lang/rust#155650 · Filter by author techmetx11 opened on Apr 22, 2026
  8

• Stack overflow when compiling my project with opt-level>=2

  C-bugI-crashneeds-triage
  rust-lang/rust#154063 · Filter by author viktor5831 opened on Mar 19, 2026

• 1.95 beta regression: stack overflow inside parser

  A-parserC-bugE-needs-bisectionI-crashP-mediumregression-from-stable-to-stableS-has-mcveT-compiler
  rust-lang/rust#153854 · Filter by author theemathas opened on Mar 14, 2026 · 1.95.0
  11

• GVN can cause OOM

  A-mir-opt-GVNC-bugI-compilememI-crashT-compiler
  rust-lang/rust#153626 · Filter by author RalfJung opened on Mar 9, 2026
  2

  

• Compiler overflows stack when calling count on an iterator flattened 19 consecutive times

  A-LLVMC-bugI-crashT-compiler
  rust-lang/rust#152676 · Filter by author StratusFearMe21 opened on Feb 15, 2026
  3

• LLVM recursion stack overflow when buildin fresh

  A-LLVMC-bugI-crashS-needs-reproT-compiler
  rust-lang/rust#150691 · Filter by author madonuko opened on Jan 5, 2026
  26

• SIGSEGV with -Cremark=all on aarch64-apple-darwin

  A-LLVMC-bugI-crashO-AArch64T-compiler
  rust-lang/rust#149996 · Filter by author rosborn opened on Dec 14, 2025
  2

• ICE with SIGSEGV when compiling simple program with -C target-cpu=native when using Mimalloc allocator

  A-LLVMC-bugI-crashneeds-triageT-compiler
  rust-lang/rust#149965 · Filter by author KrisTHL181 opened on Dec 13, 2025
  1

• debug assertion: Post-projection layout should be non-Ref, but it's...

  A-codegenA-LLVMA-rustlantisC-bugI-crashI-ICET-compiler
  rust-lang/rust#149191 · Filter by author saethlin opened on Nov 21, 2025
  2