[all-commits] [llvm/llvm-project] ea8539: [COFF] Force Symbols containing '.' to be quoted

[Keno Fischer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ea8539111d444ffb93ab09c5865d9a1a0927cb2c
      https://github.com/llvm/llvm-project/commit/ea8539111d444ffb93ab09c5865d9a1a0927cb2c
  Author: Keno Fischer <keno at juliacomputing.com>
  Date:   2021-08-30 (Mon, 30 Aug 2021)

  Changed paths:
    M llvm/lib/IR/Mangler.cpp
    M llvm/test/CodeGen/X86/dllexport.ll

  Log Message:
  -----------
  [COFF] Force Symbols containing '.' to be quoted

In D87099, the mangler learned to quote export directives that contain
special characters. Only alhpanumerical characters as well as
'_', '$', '.' and '@' were exmpt from this quoting. However, at least
binutils considers an unquoted '.' to be syntax and object files
containing such symbols will cause errors during linking. Fix that
by removing '.' from the list of allowed exemptions.

Differential Revision: https://reviews.llvm.org/D100359