!1 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
!2 = !{}
!3 = !{!4, !13}
-!4 = !DISubprogram(name: "f", linkageName: "_Z1fv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !6, function: void ()* @_Z1fv, variables: !8)
+!4 = distinct !DISubprogram(name: "f", linkageName: "_Z1fv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !6, function: void ()* @_Z1fv, variables: !8)
!5 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
!6 = !DISubroutineType(types: !7)
!7 = !{null}
!10 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !12)
!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!13 = !DISubprogram(name: "main", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 9, file: !1, scope: !5, type: !14, function: i32 ()* @main, variables: !2)
+!13 = distinct !DISubprogram(name: "main", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 9, file: !1, scope: !5, type: !14, function: i32 ()* @main, variables: !2)
!14 = !DISubroutineType(types: !15)
!15 = !{!12}
!16 = !{i32 2, !"Dwarf Version", i32 4}