[asan] Bypass pthread_attr_getdetachstate interceptor in compiler_rt code.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@194369 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Sanity check for non-PIE.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@194370 91177308-0d34-0410-b5e6-96231b3b80d8