[sanitizer] fix for ARM Linux, patch by Maxim Ostapenko

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208673 91177308-0d34-0410-b5e6-96231b3b80d8
[Sanitizer tests] Make simple pthread tests compile and pass on Windows

Reviewed at http://reviews.llvm.org/D3725

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208674 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Better open_memstream support.

Move fflush and fclose interceptors to sanitizer_common.
Use a metadata map to keep information about the external locations
that must be updated when the file is written to.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208676 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Fix windows build.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208677 91177308-0d34-0410-b5e6-96231b3b80d8