[compiler-rt] [HWASan] Compatible with Windows path retrieval (PR #172194)

[Chris Apple via llvm-commits]

================
@@ -476,7 +476,7 @@ def main():
   # Source location.
   paths_to_cut = args.source or []
   if not paths_to_cut:
-    paths_to_cut.append(os.getcwd() + '/')
+    paths_to_cut.append(os.getcwd().replace('\\', '/') + '/')
----------------
cjappl wrote:

If this is python3, can we just use pathlib? I think they deal with the platform specific separators in a nice abstracted way

https://github.com/llvm/llvm-project/pull/172194