[lsan] Use a more standard-conformant sched_yield() instead of pthread_yield().
There's no pthread_yield() on OSX (only sched_yield() and pthread_yield_np()).


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213516 91177308-0d34-0410-b5e6-96231b3b80d8
[lsan] Define MAP_ANONYMOUS as MAP_ANON for OSX in the test.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213518 91177308-0d34-0410-b5e6-96231b3b80d8
[lsan] Allow using ucontext.h in the test on OSX.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213523 91177308-0d34-0410-b5e6-96231b3b80d8
Adjust gen_dynamic_list for PowerPC function descriptors

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213577 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan] Fix __asan_describe_address and add a test for it.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213583 91177308-0d34-0410-b5e6-96231b3b80d8
[MSan] Fix strncpy interceptor

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213590 91177308-0d34-0410-b5e6-96231b3b80d8