================
@@ -846,7 +846,12 @@ def _ignore_enoent(func, path, exc_info):
return
raise exc_info[1]
- shutil.rmtree(bdir, onerror=_ignore_enoent)
+ # Delete via the \\?\ extended length path prefix so rmtree can
+ # remove build artifacts whose full path exceeds MAX_PATH (260).
+ rmtree_target = bdir
+ if sys.platform == "win32":
+ rmtree_target = "\\\\?\\" + bdir
+ shutil.rmtree(rmtree_target, onerror=_ignore_enoent)
----------------
charles-zablit wrote:
Agreed, I have made it more robust and reusable accross the test infrastructure.
We are not hitting the long path issue on llvm upstream, I will run the tests
on swiftlang with this commit to see if it fixes the bug.
https://github.com/llvm/llvm-project/pull/209409
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