[PATCH] D46672: COFF: ICF a section and its associated pdata section as a unit.

[Peter Collingbourne via Phabricator via llvm-commits]

pcc created this revision.
pcc added reviewers: hans, rnk, ruiu.

This is needed to avoid merging two functions with identical
instructions but different xdata. It also reduces binary size by
deduplicating identical pdata sections.

Fixes PR35337.


https://reviews.llvm.org/D46672

Files:
  lld/COFF/Chunks.cpp
  lld/COFF/Chunks.h
  lld/COFF/ICF.cpp
  lld/test/COFF/icf-pdata.s

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