[all-commits] [llvm/llvm-project] 7af28a: [SystemZ][z/OS] Use section ordinal for temporary ...

[Kai Nacke via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7af28a7e7b3073593d5f394d02b10f382d6cbab1
      https://github.com/llvm/llvm-project/commit/7af28a7e7b3073593d5f394d02b10f382d6cbab1
  Author: Kai Nacke <kai.peter.nacke at ibm.com>
  Date:   2026-09-25 (Fri, 25 Sep 2026)

  Changed paths:
    M llvm/lib/MC/GOFFObjectWriter.cpp
    M llvm/test/CodeGen/SystemZ/zos-section-1.ll
    M llvm/test/CodeGen/SystemZ/zos-section-2.ll
    M llvm/test/CodeGen/SystemZ/zos-symbol-2.ll

  Log Message:
  -----------
  [SystemZ][z/OS] Use section ordinal for temporary symbols (#226306)

A relocation involving a temporary symbol is interpreted as offset of
the symbol to the section begin. Currently, this is resolved via the
begin symbol of the section. However, that symbol may also have the
temporary flag set, and therefore has an index of 0. Since a symbol is
emitted of reach section, it is safe to use the ordinal of the section
instead, avoiding all issues with temporary symbols.



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