Vedant Kumar bdfd220968 [Coverage] Mark symtab entries as guaranteed after intrinsic lowering ...

SIL optimizations may rewrite profiling intrinsics in a way that IRGen
can't lower (r://39146527). Don't claim that a coverage mapping has a
guaranteed associated symbol table entry when this happens.

I have not added a test, as this is a defensive workaround until we can
land add a SIL verifier check that prevents profiling intrinsics from
being rewritten.

rdar://40133800

2018-05-10 18:51:40 -07:00

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