!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!21}
-!0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk)", isOptimized: false, emissionKind: 0, file: !20, enums: !1, retainedTypes: !1, subprograms: !3, globals: !12, imports: !1)
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk)", isOptimized: false, emissionKind: 0, file: !20, enums: !1, retainedTypes: !1, subprograms: !3, globals: !12, imports: !1)
!1 = !{}
!3 = !{!5}
!5 = !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !6, scope: !6, type: !7, function: i32 ()* @f)