[mlir][ClangTidy] Remove redundant return (NFC).

diff --git a/mlir/unittests/Debug/ExecutionContextTest.cpp b/mlir/unittests/Debug/ExecutionContextTest.cpp
index d757d54..642adff 100644 (file)
--- a/mlir/unittests/Debug/ExecutionContextTest.cpp
+++ b/mlir/unittests/Debug/ExecutionContextTest.cpp
@@ -29,7 +29,7 @@ struct ThirdAction : public ActionImpl<ThirdAction> {
 };
 
 // Simple action that does nothing.
-void noOp() { return; }
+void noOp() {}
 
 /// This test executes a stack of nested action and check that the backtrace is
 /// as expect.