[PATCH] D34476: [COFF] Allow comdat discarding and GC of non-section chunks

[Reid Kleckner via Phabricator via llvm-commits]

rnk created this revision.

Move the "Live" and "Discarded" bools from SectionChunk to Chunk.  This
will allow us to add a new kind of chunk for control flow guard that
participates in comdat resolution and dead stripping. It is very similar
to .sxdata and SEHTableChunk, but object files may have more than one
such section.


https://reviews.llvm.org/D34476

Files:
  lld/COFF/Chunks.cpp
  lld/COFF/Chunks.h
  lld/COFF/MarkLive.cpp
  lld/COFF/SymbolTable.cpp

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