diff --git a/mlir/include/mlir/Conversion/GPUCommon/GPUCommonPass.h b/mlir/include/mlir/Conversion/GPUCommon/GPUCommonPass.h
--- a/mlir/include/mlir/Conversion/GPUCommon/GPUCommonPass.h
+++ b/mlir/include/mlir/Conversion/GPUCommon/GPUCommonPass.h
@@ -80,6 +80,8 @@
                                  StringRef targetChip, StringRef features,
                                  StringRef gpuBinaryAnnotation);
 
+void foo();
+
 } // namespace mlir
 
 #endif // MLIR_CONVERSION_GPUCOMMON_GPUCOMMONPASS_H_