[PATCH] D54232: [sancov] Put .SCOV* sections into the right comdat groups on COFF

[Reid Kleckner via Phabricator via llvm-commits]

rnk created this revision.
rnk added reviewers: metzman, hans, morehouse.
Herald added a subscriber: hiraditya.

Avoids linker errors about relocations against discarded sections.

This was uncovered during the clang roll here:
https://chromium-review.googlesource.com/c/chromium/src/+/1321863#message-717516acfcf829176f6a2f50980f7a4bdd66469a

After this change, libGLESv2 links successfully for me.


https://reviews.llvm.org/D54232

Files:
  llvm/include/llvm/Transforms/Instrumentation.h
  llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
  llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
  llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
  llvm/test/Instrumentation/SanitizerCoverage/coff-comdat.ll

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