Bug 1626272 - Disable stack fixing on Windows awsy-dmd jobs. r=erahm,perftest-reviewers,sparky

Unfortunate, but it gets us back to where we were before `fix_stacks.py` came
along, and getting it working isn't worth the effort right now.

Differential Revision: https://phabricator.services.mozilla.com/D69928

--HG--
extra : moz-landing-system : lando

testing/awsy/awsy/awsy_test_case.py

@@ -133,9 +133,12 @@ class AwsyTestCase(MarionetteTestCase):
         tmp_files = os.listdir(tmpdir)
         for f in fnmatch.filter(tmp_files, "dmd-*.json.gz"):
             f = os.path.join(tmpdir, f)
-            self.logger.info("Fixing stacks for %s, this may take a while" % f)
-            isZipped = True
-            fixStackTraces(f, isZipped, gzip.open)
+            # We don't fix stacks on Windows, even though we could, due to the
+            # tale of woe in bug 1626272.
+            if not sys.platform.startswith('win'):
+                self.logger.info("Fixing stacks for %s, this may take a while" % f)
+                isZipped = True
+                fixStackTraces(f, isZipped, gzip.open)
             shutil.move(f, self._resultsDir)
 
         # Also attempt to cleanup the unified memory reports.