[PATCH] D19308: ThinLTO: Resolve linkonce_odr aliases just like functions

[Mehdi AMINI via llvm-commits]

joker.eph created this revision.
joker.eph added a reviewer: tejohnson.
joker.eph added a subscriber: llvm-commits.
Herald added a subscriber: joker.eph.

D19096 has drifted too much, I'm trying to isolate smaller pieces.
Hopefully this one make sense in isolation.

This help to streamline the process of handling importing since
we don't need to special case alias everywhere: just like
linkonce_odr we are sure we will emit one copy.

http://reviews.llvm.org/D19308

Files:
  lib/LTO/ThinLTOCodeGenerator.cpp
  test/ThinLTO/X86/odr_resolution.ll

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