Replace with a "null" RAUW with an assert since we'd actually like
authorEric Christopher <echristo@gmail.com>
Wed, 24 Jul 2013 01:51:12 +0000 (01:51 +0000)
committerEric Christopher <echristo@gmail.com>
Wed, 24 Jul 2013 01:51:12 +0000 (01:51 +0000)
commit8d5ecf8c691798f4112f872f437c06a9c3b29c43
tree782452d1134fe8dded6b474414253a505924d6b4
parent6fef53dde35891832d6dfd250e4f16d78d71eb9b
Replace with a "null" RAUW with an assert since we'd actually like
to assume we're replacing. Clarify comments.

llvm-svn: 187018
llvm/lib/IR/DebugInfo.cpp