[mlir] Non-void lambda does not return a value in all control paths in...

[mlir] Non-void lambda does not return a value in all control paths in yieldReplacementForFusedProducer (NFC)

/llvm-project/mlir/lib/Dialect/SCF/Transforms/TileUsingInterface.cpp:703:5: error: non-void lambda does not return a value in all
 control paths [-Werror,-Wreturn-type]
    };
    ^
1 error generated.