[all-commits] [llvm/llvm-project] 8275dc: [MC] .reloc: register used symbols

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8275dc97483347b88a2fa9067446dfb9d7d7f72e
      https://github.com/llvm/llvm-project/commit/8275dc97483347b88a2fa9067446dfb9d7d7f72e
  Author: Fangrui Song <i at maskray.me>
  Date:   2023-12-07 (Thu, 07 Dec 2023)

  Changed paths:
    M llvm/lib/MC/MCELFStreamer.cpp
    M llvm/lib/MC/MCObjectStreamer.cpp
    M llvm/test/MC/ELF/reloc-directive.s

  Log Message:
  -----------
  [MC] .reloc: register used symbols

When `sym` in `.reloc ., BFD_RELOC_NONE, sym` is not referenced
elsewhere, `sym` is not in the symbol table and the relocation
references the null symbol. Visit the expression to fix the issue.