Duncan P. N. Exon Smith 004509dca1 BitcodeReader: Use getMD/getMDOrNull helpers consistently, almost NFC ...

The only functionality change was removing an error check from the
BitcodeReader (and an assertion from DILocation::getImpl) that is
already caught by Verifier::visitDILocation.  The Verifier is a better
place for this anyway, and being inconsistent with other subclasses of
MDNode isn't serving anyone.

llvm-svn: 267267

2016-04-23 03:55:14 +00:00

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