Teresa Johnson 39970a7476 [ThinLTO] Correctly resolve linkonce when importing aliasee
Summary:
When we have an aliasee that is linkonce, while we can't convert
the non-prevailing copies to available_externally, we still need to
convert the prevailing copy to weak. If a reference to the aliasee
is exported, not converting a copy to weak will result in undefined
references when the linkonce is removed in its original module.

Add a new test and update existing tests.

Reviewers: mehdi_amini

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D26076

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285512 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-30 05:15:23 +00:00
2016-10-28 22:03:54 +00:00
2016-10-28 23:57:37 +00:00

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