Issues

• Miscompilation with FFI bool return type on x86_64

  A-ABIA-LLVMC-bugI-miscompileI-prioritizeT-compiler
  rust-lang/rust#163911 · Filter by author wezm opened on Oct 7, 2026
  3

• [ICE]: called Result::unwrap() on an Err value: InvalidProgram(Layout(SizeOverflow))

  C-bugF-gca_min_const_itemsI-ICEneeds-triageT-compiler
  rust-lang/rust#163904 · Filter by author matthiaskrgr opened on Oct 6, 2026
  1

• [ICE]: expected leaf, got Value

  C-bugF-gca_min_const_itemsI-ICEneeds-triageT-compiler
  rust-lang/rust#163903 · Filter by author matthiaskrgr opened on Oct 6, 2026
  1

• ICE Result::unwrap() on an Err value: Unknown(E)

  C-bugF-gca_min_const_itemsI-ICEneeds-triage
  rust-lang/rust#163901 · Filter by author matthiaskrgr opened on Oct 6, 2026
  1

• [ICE]: .. was equal to .. during selection but now it is not

  C-bugF-inherent_associated_typesI-ICEneeds-triageT-compiler
  rust-lang/rust#163899 · Filter by author matthiaskrgr opened on Oct 6, 2026

• Consider uplifting clippy::std_wildcard_imports to rustc once it exists

  A-lintsC-enhancementT-compilerT-libs
  rust-lang/rust#163898 · Filter by author tgross35 opened on Oct 6, 2026

• Stabilization of the documentation scope in rustc

  disposition-mergeF-trim-pathsproposed-final-comment-periodT-compiler
  rust-lang/rust#163896 · Filter by author Urgau opened on Oct 6, 2026
  2

• gnullvm: Can't compile Hello World, fails with lld: error: unable to find library -lsynchronization

  C-bugneeds-triageO-windows
  rust-lang/rust#163889 · Filter by author ColinFinck opened on Oct 6, 2026
  3

• impl Trait bounds incorrectly assumed to be not-live

  A-borrow-checkerA-impl-traitC-bugI-unsoundP-highregression-from-stable-to-stableT-types
  rust-lang/rust#163886 · Filter by author jackh726 opened on Oct 6, 2026
  2

  

• parallel compiler: generics_of encoding not reproducible

  A-parallel-compilerA-reproducibilityC-bugT-compiler
  rust-lang/rust#163878 · Filter by author susitsm opened on Oct 6, 2026
  5

  

• Tracking issue for release notes of #159021: windows-gnu: enable native TLS

  needs-triagerelnotesrelnotes-needs-reviewrelnotes-tracking-issueT-compilerT-libs
  rust-lang/rust#163875 · Filter by author rustbot opened on Oct 6, 2026 · 1.101.0
  1

• fn_delegation: a const parameter of the callee's impl that shares its name with a trait in scope resolves to the trait and ICEs (binder.rs:819: expected const for C/#0 but found Type)

  C-bugneeds-triage
  rust-lang/rust#163868 · Filter by author YuanchengJiang opened on Oct 6, 2026

• Self-referential return-type-notation bound (impl Tr<m(..): Send> on Tr::m itself) overflows the stack in compare_impl_item::refine

  C-bugneeds-triage
  rust-lang/rust#163866 · Filter by author YuanchengJiang opened on Oct 6, 2026
  1

• Wrong parameter deduction caused by default trait impl

  C-bugI-miscompileneeds-triageP-highT-compiler
  rust-lang/rust#163856 · Filter by author saethlin opened on Oct 6, 2026
  5

• ambiguous_wide_pointer_comparisons incorrectly lints on thin pointers to extern types.

  A-lintsA-raw-pointersC-bugF-extern_typesL-false-positiveT-compiler
  rust-lang/rust#163840 · Filter by author asquared31415 opened on Oct 5, 2026
  2

  

• Tracking issue for release notes of #163267: fix VisibleForLeakCheck in RegionOutlives fast path

  needs-triagerelnotesrelnotes-needs-reviewrelnotes-tracking-issueT-compilerT-typesWG-trait-system-refactor
  rust-lang/rust#163836 · Filter by author rustbot opened on Oct 5, 2026 · 1.101.0

• 1.100-beta regression: box patterns have been removed (feature box_patterns)

  I-prioritizeneeds-triageregression-from-stable-to-betaT-lang
  rust-lang/rust#163830 · Filter by author mejrs opened on Oct 5, 2026
  1

• GVN versus unions with reference fields

  A-mir-optA-mir-opt-GVNC-bugI-miscompileI-prioritizeT-compiler
  rust-lang/rust#163825 · Filter by author saethlin opened on Oct 5, 2026
  6

  

• [ICE]: unnormalized aliases in borrowck when calling an HRTB factory returning boxed FnMut over a GAT

  A-dyn-traitA-GATsA-higher-rankedC-bugI-ICEI-prioritizeregression-from-stable-to-nightlyS-has-bisectionS-has-mcveT-compilerT-typesWG-trait-system-refactor
  rust-lang/rust#163817 · Filter by author gbin opened on Oct 5, 2026
  3

• test tidy is stricter in the pull requests CI than the Git hook

  A-tidyC-bugT-bootstrap
  rust-lang/rust#163815 · Filter by author ChaiTRex opened on Oct 5, 2026
  4

  

• inherent associated type normalization can suceed while resulting in unconstrained infer vars

  F-inherent_associated_typesrequires-nightlyT-types
  rust-lang/rust#163812 · Filter by author lcnr opened on Oct 5, 2026
  2

• Draft release notes for 1.100.0

  relnotes-tracking-issueT-release
  rust-lang/rust#163811 · Filter by author BoxyUwU opened on Oct 5, 2026
  5

• 1.100 beta regression: panicked at compiler/rustc_hir_typeck/src/method/confirm.rs:762:54: index out of bounds: the len is 0 but the index is 0

  C-bugE-needs-bisectionE-needs-mcveI-prioritizeneeds-triageregression-from-stable-to-beta
  rust-lang/rust#163804 · Filter by author mejrs opened on Oct 5, 2026
  2

• 1.100 beta regression: the Self constructor can only be used with tuple or unit structs

  A-macrosA-proc-macrosA-resolveC-bugP-highregression-from-stable-to-betaT-compilerT-lang
  rust-lang/rust#163800 · Filter by author mejrs opened on Oct 5, 2026
  2

  

• Unnameable types lint should't fire on Sealed trait

  A-diagnosticsA-visibilityL-unnameable_typesT-compiler
  rust-lang/rust#163797 · Filter by author ijackson opened on Oct 5, 2026
  3