[PATCH] D17502: [ELF] - Fix of 22906, referencing __start or __stop should keep the section from GC.

[George Rimar via llvm-commits]

grimar created this revision.
grimar added reviewers: ruiu, rafael.
grimar added subscribers: llvm-commits, grimar.

This fixes the https://llvm.org/bugs/show_bug.cgi?id=22906 bug.

In GNU Binutils, a reference to __start or __stop is sufficient to prevent the section from being garbage collected.
Patch implements the same behavior for lld.

http://reviews.llvm.org/D17502

Files:
  ELF/InputSection.cpp
  ELF/InputSection.h
  ELF/MarkLive.cpp
  ELF/OutputSections.cpp
  ELF/OutputSections.h
  ELF/Writer.cpp
  test/ELF/startstop-gccollect.s

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