[all-commits] [llvm/llvm-project] 9f2272: [lld-macho] Allow dead_strip to work with exported...

[Vincent Lee via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9f2272ff51b16ffa9c1056fc707daf088ccca784
      https://github.com/llvm/llvm-project/commit/9f2272ff51b16ffa9c1056fc707daf088ccca784
  Author: Vincent Lee <leevince at fb.com>
  Date:   2022-04-22 (Fri, 22 Apr 2022)

  Changed paths:
    M lld/MachO/MarkLive.cpp
    M lld/test/MachO/export-options.s

  Log Message:
  -----------
  [lld-macho] Allow dead_strip to work with exported private extern symbols

It seems like we are overly asserting when running `-dead_strip` with
exported symbols. ld64 treats exported private extern symbols as a liveness
root. Loosen the assert to match ld64's behavior.

Reviewed By: #lld-macho, int3

Differential Revision: https://reviews.llvm.org/D124143