Revert "Repress sanitization on User dtor. Modify msan macros for applying attribute"

This reverts commit 5e3bfbb38eb3fb6f568b107f6b239e0aa4c5f334.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246450 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed