|  | ; RUN: llvm-as -disable-output %s 2>&1 | FileCheck %s | 
|  |  | 
|  | ; CHECK: invalid type ref | 
|  | ; CHECK: warning: ignoring invalid debug info | 
|  |  | 
|  | @bar = global i64 0, align 8, !dbg !0 | 
|  |  | 
|  | !llvm.dbg.cu = !{!2} | 
|  | !llvm.module.flags = !{!8} | 
|  |  | 
|  | !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) | 
|  | !1 = !DIGlobalVariable(name: "c", scope: null, isLocal: false, isDefinition: true, type: !6) | 
|  | !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, retainedTypes: !4, globals: !7) | 
|  | !3 = !DIFile(filename: "a", directory: "") | 
|  | !4 = !{!5} | 
|  | !5 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !6, file: !3, identifier: "patatino") | 
|  | !6 = distinct !DISubprogram(name: "b", scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !2) | 
|  | !7 = !{!0} | 
|  | !8 = !{i32 2, !"Debug Info Version", i32 3} |