!0 = !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !17, scope: !1, type: !3, function: i32 (%struct.bar*)* @foo, variables: !16)
!1 = !DIFile(filename: "one.c", directory: "/private/tmp")
-!2 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 117922)", isOptimized: true, emissionKind: 0, file: !17, enums: !18, retainedTypes: !18, subprograms: !15, imports: null)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 117922)", isOptimized: true, emissionKind: 0, file: !17, enums: !18, retainedTypes: !18, subprograms: !15, imports: null)
!3 = !DISubroutineType(types: !4)
!4 = !{!5}
!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)