diff --git a/mlir/lib/Dialect/Shape/CMakeLists.txt b/mlir/lib/Dialect/Shape/CMakeLists.txt
--- a/mlir/lib/Dialect/Shape/CMakeLists.txt
+++ b/mlir/lib/Dialect/Shape/CMakeLists.txt
@@ -1,3 +1,4 @@
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/IR)
 set(LLVM_TARGET_DEFINITIONS IR/ShapeCanonicalization.td)
 mlir_tablegen(IR/ShapeCanonicalization.inc -gen-rewriters)
 add_public_tablegen_target(MLIRShapeCanonicalizationIncGen)
diff --git a/mlir/lib/Dialect/Shape/IR/Shape.cpp b/mlir/lib/Dialect/Shape/IR/Shape.cpp
--- a/mlir/lib/Dialect/Shape/IR/Shape.cpp
+++ b/mlir/lib/Dialect/Shape/IR/Shape.cpp
@@ -186,7 +186,7 @@
     return success();
   }
 };
-}; // namespace
+} // namespace
 
 void AssumingOp::getCanonicalizationPatterns(OwningRewritePatternList &patterns,
                                              MLIRContext *context) {