[PATCH] D25435: Add -fdebug-info-for-profiling to emit more debug info for sample pgo profile collection

[Eric Christopher via Phabricator via cfe-commits]

echristo accepted this revision.
echristo added a comment.

Thanks for explaining all of this and going through it Dehao.

LGTM.

-eric


https://reviews.llvm.org/D25435