testing for tail call optimization repression when sanitizing use-after-dtor

testing for tail call optimization repression when sanitizing use-after-dtor

Summary: Verify that running in optimized mode while checking for use-after-dtor errors, does not generate tail call invocation of destructor. This avoids possible error where stack frame for the destructor is eliminated, making tracking down the errors more difficult.

Reviewers: eugenis, kcc

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D11614

simplified test cases

updated line numbering on test

renamed test

llvm-svn: 243675