[sancov] Leave llvm.localescape in the entry block

Summary: Similar to the change we applied to ASan. The same test case works.

Reviewers: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11961

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245067 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed