[PATCH] D15243: [PGO]: Do not use invalid Char in instrumentation variable names

[Sean Silva via llvm-commits]

silvas added a comment.

In http://reviews.llvm.org/D15243#307935, @davidxl wrote:

> I will post test changes in a different patch -- existing tests already cover the case.


No. This patch changes functionality and needs a test.


http://reviews.llvm.org/D15243