[ASan/Win] Enable demangling of global variable names

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208775 91177308-0d34-0410-b5e6-96231b3b80d8
[asan] use some LIKELY/UNLIKELY

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208776 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan tests] Create a Posix/ directory for tests that we don't plan to run on Windows

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208777 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan tests] Update relative paths from POSIX-only tests to their shared libraries

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208778 91177308-0d34-0410-b5e6-96231b3b80d8