[PATCH] D24545: [LTO] Fix commons handling

[Mehdi AMINI via llvm-commits]

mehdi_amini updated this revision to Diff 71415.
mehdi_amini added a comment.

Change the API contract: if a least one instance of a common symbol is marked as prevailing, make sure it has the max(size) and max(alignment) over all the common instance for this symbol.


https://reviews.llvm.org/D24545

Files:
  include/llvm/LTO/LTO.h
  lib/LTO/LTO.cpp
  test/LTO/Resolution/X86/Inputs/commons.ll
  test/LTO/Resolution/X86/commons.ll
  test/tools/llvm-lto2/X86/common.ll

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