Update discriminator assignment algorithm to handle nested call correctly.

Summary: Add discriminator for nested call correctly.

Reviewers: davidxl, dnovillo

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D19127

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266354 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed