Revert "[asan] Avoid lifetime analysis for allocas with can be in ambiguous state"

This approach is not good enough. Working on the new solution.

This reverts commit r280907.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281689 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed