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-rw-r--r--src/pass.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/pass.h b/src/pass.h
index c03db2368..d3f1d9edb 100644
--- a/src/pass.h
+++ b/src/pass.h
@@ -14,6 +14,9 @@
* limitations under the License.
*/
+#ifndef wasm_pass_h
+#define wasm_pass_h
+
#include <functional>
#include "wasm.h"
@@ -124,3 +127,5 @@ private:
};
} // namespace wasm
+
+#endif // wasm_pass_h