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-rwxr-xr-xclang-tools-extra/clang-tidy/tool/run-clang-tidy.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py b/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
index 2e796d55be8..aa1dfc89e54 100755
--- a/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
+++ b/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
@@ -182,7 +182,7 @@ def main():
tmpdir = tempfile.mkdtemp()
# Build up a big regexy filter from all command line arguments.
- file_name_re = re.compile('(' + ')|('.join(args.files) + ')')
+ file_name_re = re.compile('|'.join(args.files))
try:
# Spin up a bunch of tidy-launching threads.
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