Duncan P. N. Exon Smith 383f8413cf DebugInfo: Adapt to loss of DITypeRef in LLVM r267296 ...

LLVM stopped using MDString-based type references, and DIBuilder no
longer fills 'retainedTypes:' with every DICompositeType that has an
'identifier:' field.   There are just minor changes to keep the same
behaviour in CFE.

Leaving 'retainedTypes:' unfilled has a dramatic impact on the output
order of the IR though.  There are a huge number of testcase changes,
which were unfortunately not really scriptable.

llvm-svn: 267297

2016-04-23 21:08:27 +00:00

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