[msan] Wrap indirect calls from sanitizer rtl when running under DR.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197226 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Disable call wrapping when building for Go.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197232 91177308-0d34-0410-b5e6-96231b3b80d8
[asan] add flag uar_noreserve to use noreserve mmap for fake stack. uar_noreserve=1 will save some memory but also negatively affect performance

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197233 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Fix strncat interceptor, add missing tests.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197244 91177308-0d34-0410-b5e6-96231b3b80d8