| // Clang returns 1 when wrong arguments are given. | 
 | // RUN: not %clang_cc1 -mmlir -mlir-disable-threadingd  -mmlir -mlir-print-op-genericd 2>&1 | FileCheck %s --check-prefix=WRONG | 
 | // Test that the driver can pass mlir args to cc1. | 
 | // RUN: %clang -### -mmlir -mlir-disable-threading %s 2>&1 | FileCheck %s --check-prefix=CC1 | 
 |  | 
 |  | 
 | // WRONG: clang (MLIR option parsing): Unknown command line argument '-mlir-disable-threadingd'.  Try: 'clang (MLIR option parsing) --help' | 
 | // WRONG: clang (MLIR option parsing): Did you mean '--mlir-disable-threading'? | 
 | // WRONG: clang (MLIR option parsing): Unknown command line argument '-mlir-print-op-genericd'.  Try: 'clang (MLIR option parsing) --help' | 
 | // WRONG: clang (MLIR option parsing): Did you mean '--mlir-print-op-generic'? | 
 |  | 
 | // CC1: "-mmlir" "-mlir-disable-threading" |