1 files changed, 1 insertions, 0 deletions
diff --git a/tests/runner.py b/tests/runner.py
index 1bca1d54..c64b4fa7 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -12664,6 +12664,7 @@ elif 'benchmark' in str(sys.argv):
                       '-O2', '-s', 'DOUBLE_MODE=0', '-s', 'PRECISE_I64_MATH=0',
                       '--llvm-lto', '1', '--memory-init-file', '0',
                       '-s', 'TOTAL_MEMORY=128*1024*1024',
+                      '--closure', '1',
                       '-o', final_filename] + shared_args + emcc_args, stdout=PIPE, stderr=self.stderr_redirect).communicate()
       assert os.path.exists(final_filename), 'Failed to compile file: ' + output[0]