[all-commits] [llvm/llvm-project] 290fc1: MC, AsmPrinter: Report redefinition error instead o...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 290fc1ea114a197ec7ee8f85d8f5a20f49012eec
      https://github.com/llvm/llvm-project/commit/290fc1ea114a197ec7ee8f85d8f5a20f49012eec
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-06-23 (Mon, 23 Jun 2025)

  Changed paths:
    M llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
    M llvm/lib/MC/MCAsmStreamer.cpp
    M llvm/lib/MC/MCObjectStreamer.cpp
    M llvm/test/CodeGen/X86/equiv_with_fndef.ll
    M llvm/test/MC/AsmParser/redef-err.s

  Log Message:
  -----------
  MC,AsmPrinter: Report redefinition error instead of crashing in more cases

* Fix the crash for `.equiv b, undef; b:` (.equiv equates a symbol to an expression and reports an error if the symbol was already defined).
* Remove redundant isVariable check from emitFunctionEntryLabel

Pull Request: https://github.com/llvm/llvm-project/pull/145460



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