1*a1e940b1SFangrui Song // RUN: %clang -### -c %s -fno-merge-all-constants -fmerge-all-constants 2>&1 | FileCheck %s 2*a1e940b1SFangrui Song // CHECK: "-fmerge-all-constants" 3*a1e940b1SFangrui Song 4*a1e940b1SFangrui Song // RUN: %clang -### -c %s 2>&1 | FileCheck --check-prefix=NO %s 5*a1e940b1SFangrui Song // RUN: %clang -### -c %s -fmerge-all-constants -fno-merge-all-constants 2>&1 | FileCheck --check-prefix=NO %s 6*a1e940b1SFangrui Song // NO-NOT: "-fmerge-all-constants" 7