tree ea18e5cb665e234a2602aa21d5d27d870e851256
parent 4ea9563468e7ff39626c747365624007b68b083b
author Duncan P. N. Exon Smith <dexonsmith@apple.com> 1459992165 +0000
committer Copybara-Service <copybara-worker@google.com> 1602075178 -0700

ValueMapper: Allow RF_IgnoreMissingLocals and RF_NullMapMissingGlobalValues

Remove the assertion that disallowed the combination, since
RF_IgnoreMissingLocals should have no effect on globals.  As it happens,
RF_NullMapMissingGlobalValues asserted in MapValue(Constant*,...), so I
also changed a cast to a cast_or_null to get my test passing.

llvm-svn: 265633
GitOrigin-RevId: fdccad925c91aa981c097f51e3790069dcd0a49a