[PATCH] D30546: Fully precise gc handling of __start and __stop symbols

[Rafael Ávila de Espíndola via Phabricator via llvm-commits]

rafael updated this revision to Diff 90720.
rafael added a comment.

Use a DenseMap and clear it.

Not that this has to be a map to a std::vector since it has to include multiple sections. If we hit an undefined reference to __start_foo, we have to mark live all sections named foo.


https://reviews.llvm.org/D30546

Files:
  ELF/MarkLive.cpp
  test/ELF/linkerscript/sections-gc2.s

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