[asan] Fix windows build.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185917 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Wrap lines >80 chars.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185920 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Intercept realpath and canonicalize_file_name.

Handle realpath(path, NULL) form.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185921 91177308-0d34-0410-b5e6-96231b3b80d8