This flag will enable detection of use-after-destructor (but before
memory deallocation) bugs. No actual functionality yet.

https://code.google.com/p/address-sanitizer/issues/detail?id=73

Patch by Naomi Musgrave.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241935 91177308-0d34-0410-b5e6-96231b3b80d8