llvm-project/llvm/test/Assembler/invalid-diflag-bad.ll

; RUN: not llvm-as < %s -disable-output 2>&1 | FileCheck %s

; CHECK: <stdin>:[[@LINE+1]]:27: error: invalid debug info flag 'DIFlagUnknown'
!0 = !DISubprogram(flags: DIFlagUnknown)