[clang-tools-extra] [clang-tidy] Normalize windows line filter paths (PR #217038)

[Chris Apple via cfe-commits]

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@@ -394,8 +394,10 @@ def main():
         common_clang_tidy_args.append("-warnings-as-errors=" + args.warnings_as_errors)
 
     for name in lines_by_file:
+        line_filter_name = str((Path.cwd() / name).resolve())
         line_filter_json = json.dumps(
-            [{"name": name, "lines": lines_by_file[name]}], separators=(",", ":")
+            [{"name": line_filter_name, "lines": lines_by_file[name]}],
+            separators=(",", ":"),
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cjappl wrote:

reverted in the most recent

https://github.com/llvm/llvm-project/pull/217038