Introduce tsan_cxx and msan_cxx libraries (compiler-rt part).

For now tsan_cxx and msan_cxx contain only operator new/delete
replacements. In the future, when we add support for running UBSan+TSan
and UBSan+MSan, they will also contain bits ubsan_cxx runtime.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@235928 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed