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clang crashes at -O{s,2,3} on x86_64-linux-gnu: Assertion `Picked->isReady() && "must be ready to schedule"' failed

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

llvm:SLPVectorizer

Status: Open.

Bug

#173469 In llvm/llvm-project;

· zhendongsu opened on Dec 24, 2025

clang Assertion isLinkageValid() failed in Redeclarable::setPreviousDecl when using __attribute__((alias))

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

crash-on-invalid

Status: Open.

Bug

#173464 In llvm/llvm-project;

· AbyssStaror opened on Dec 24, 2025

miscompile of vanilla integer loop

bugIndicates an unexpected problem or unintended behaviorIndicates an unexpected problem or unintended behavior

miscompilation

vectorizers

Status: Open.

Bug

#173459 In llvm/llvm-project;

· regehr opened on Dec 24, 2025

RISC-V/NO_ZFA: switch FMAXIMUM of f32/f64 to Expand

backend:RISC-V

missed-optimization

Status: Open.

#173446 In llvm/llvm-project;

· wzssyqa opened on Dec 24, 2025

[clang-tidy] False positive for <code>cppcoreguidelines-init-variables</code>

clang-tidy

objective-c

Status: Open.

#173435 In llvm/llvm-project;

· timxx opened on Dec 24, 2025

[clang-doc] Pages with long lines of text cause long horizontal scroll issues

clang-doc

Status: Open.

#173424 In llvm/llvm-project;

· evelez7 opened on Dec 23, 2025

LoopUnroll epilogue change causes regalloc degradation

llvm:regalloc

loopoptim

Status: Open.

#173419 In llvm/llvm-project;

· jdenny-ornl opened on Dec 23, 2025

[clang-doc] The logical operators in constraints aren't preserved

clang-doc

Status: Open.

#173418 In llvm/llvm-project;

· evelez7 opened on Dec 23, 2025

[clang-tidy] Remove the <code>ClangTidyModuleRegistry.h</code> header in LLVM 24

clang-tidy

Status: Open.

Task

#173414 In llvm/llvm-project;

· localspook opened on Dec 23, 2025

·  

LLVM 24.x Release

[libc] Using <code>[[gnu::weak]]</code> declarations generates GOT entries

libc

Status: Open.

#173409 In llvm/llvm-project;

· petrhosek opened on Dec 23, 2025

[X86] Missed combining of <code>adc</code> + <code>add</code> with constant arguments

backend:X86

missed-optimization

Status: Open.

#173408 In llvm/llvm-project;

· UniQP opened on Dec 23, 2025

[InferAlignmentPass, SystemZ] Over-aligned vectors

backend:SystemZ

Status: Open.

#173402 In llvm/llvm-project;

· JonPsson1 opened on Dec 23, 2025