[PATCH] D24993: Fix the bug when -compile-twice is specified, the PSI will be invalidated.

[Dehao Chen via llvm-commits]

danielcdh added a comment.

not sure how to test this: it requires -compile-twice, which is an llc flag, but llc does not use PSI for now. https://reviews.llvm.org/D24989 will be the first patch that makes llc uses PSI.


https://reviews.llvm.org/D24993