Vedant Kumar 0ffa8796b2 [DebugInfo] Unify logic to merge DILocations. NFC.
This makes DILocation::getMergedLocation() do what its comment says it
does when merging locations for an Instruction: set the common inlineAt
scope. This simplifies Instruction::applyMergedLocation() a bit.

Testing: check-llvm, check-clang

Differential Revision: https://reviews.llvm.org/D39628

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317524 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-06 23:15:21 +00:00
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