Add support for _expand[_dbg] so we don't crash when _aligned_* allocation functions are used

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204925 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Implement __msan_set_death_callback.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204926 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Fix Android build.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204927 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Intercept __bzero on Mac.

This should make memset_test pass on Mac.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204929 91177308-0d34-0410-b5e6-96231b3b80d8