[mlir-opt] Fix -Wcovered-switch-default in MlirOptMain.cpp (NFC)

DamonFool · DamonFool · commit c8b15157d70c · 2024-11-28T11:22:28.000+08:00
/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:262:7:
error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
      default:
      ^
1 error generated.
diff --git a/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp b/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp
@@ -259,9 +259,8 @@ class DiagnosticFilter : public ScopedDiagnosticHandler {
           return failure();
         else
           return success();
-      default:
-        llvm_unreachable("Unknown diagnostic severity");
       }
+      llvm_unreachable("Unknown diagnostic severity");
     });
   }
 };

Original file line number	Diff line number	Diff line change
`@@ -259,9 +259,8 @@ class DiagnosticFilter : public ScopedDiagnosticHandler {`
`259`	`259`	`return failure();`
`260`	`260`	`else`
`261`	`261`	`return success();`
`262`		`- default:`
`263`		`- llvm_unreachable("Unknown diagnostic severity");`
`264`	`262`	`}`
	`263`	`+ llvm_unreachable("Unknown diagnostic severity");`
`265`	`264`	`});`
`266`	`265`	`}`
`267`	`266`	`};`