-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !10, metadata !14, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/llvm/src/tools/clang//usr/local/google/home/blaikie/dev/llvm/src/tools/clang/test/CodeGenCXX/debug-info-namespace.cpp] [DW_LANG_C_plus_plus]
-!1 = metadata !{metadata !"/usr/local/google/home/blaikie/dev/llvm/src/tools/clang/test/CodeGenCXX/debug-info-namespace.cpp", metadata !"/usr/local/google/home/blaikie/dev/llvm/src/tools/clang"}
-!2 = metadata !{i32 0}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"func", metadata !"func", metadata !"_Z4funcv", i32 6, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z4funcv, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
-!5 = metadata !{metadata !"foo.cpp", metadata !"/usr/local/google/home/blaikie/dev/llvm/src/tools/clang"}
-!6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/llvm/src/tools/clang/foo.cpp]
-!7 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!8 = metadata !{metadata !9}
-!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!10 = metadata !{metadata !11}
-!11 = metadata !{i32 786484, i32 0, metadata !12, metadata !"i", metadata !"i", metadata !"_ZN1A1B1iE", metadata !6, i32 2, metadata !9, i32 0, i32 1, i32* @_ZN1A1B1iE, null} ; [ DW_TAG_variable ] [i] [line 2] [def]
-!12 = metadata !{i32 786489, metadata !5, metadata !13, metadata !"B", i32 1} ; [ DW_TAG_namespace ] [B] [line 1]
-!13 = metadata !{i32 786489, metadata !1, null, metadata !"A", i32 3} ; [ DW_TAG_namespace ] [A] [line 3]
-!14 = metadata !{metadata !15}
-!15 = metadata !{i32 786490, metadata !4, metadata !12, i32 7} ; [ DW_TAG_imported_module ]
-!16 = metadata !{i32 8, i32 0, metadata !4, null}
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !9, globals: !30, imports: !33)
+!1 = !DIFile(filename: "debug-info-namespace.cpp", directory: "/tmp")
+!2 = !{}
+!3 = !{!4, !8}
+!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 5, flags: DIFlagFwdDecl, file: !5, scope: !6, identifier: "_ZTSN1A1B3fooE")
+!5 = !DIFile(filename: "foo.cpp", directory: "/tmp")
+!6 = !DINamespace(name: "B", line: 1, file: !5, scope: !7)
+!7 = !DINamespace(name: "A", line: 5, file: !1, scope: null)
+!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", line: 6, size: 8, align: 8, file: !5, scope: !6, elements: !2, identifier: "_ZTSN1A1B3barE")
+!9 = !{!10, !14, !17, !21, !25, !26, !27}
+!10 = distinct !DISubprogram(name: "f1", linkageName: "_ZN1A1B2f1Ev", line: 3, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !5, scope: !6, type: !11, function: i32 ()* @_ZN1A1B2f1Ev, variables: !2)
+!11 = !DISubroutineType(types: !12)
+!12 = !{!13}
+!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!14 = distinct !DISubprogram(name: "f1", linkageName: "_ZN1A1B2f1Ei", line: 4, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !5, scope: !6, type: !15, function: void (i32)* @_ZN1A1B2f1Ei, variables: !2)
+!15 = !DISubroutineType(types: !16)
+!16 = !{null, !13}
+!17 = distinct !DISubprogram(name: "__cxx_global_var_init", line: 20, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 20, file: !5, scope: !18, type: !19, function: void ()* @__cxx_global_var_init, variables: !2)
+!18 = !DIFile(filename: "foo.cpp", directory: "/tmp")
+!19 = !DISubroutineType(types: !20)
+!20 = !{null}
+!21 = distinct !DISubprogram(name: "func", linkageName: "_Z4funcb", line: 21, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 21, file: !5, scope: !18, type: !22, function: i32 (i1)* @_Z4funcb, variables: !2)
+!22 = !DISubroutineType(types: !23)
+!23 = !{!13, !24}
+!24 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
+!25 = distinct !DISubprogram(name: "__cxx_global_var_init1", line: 44, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 44, file: !5, scope: !18, type: !19, function: void ()* @__cxx_global_var_init1, variables: !2)
+!26 = distinct !DISubprogram(name: "func_fwd", linkageName: "_ZN1A1B8func_fwdEv", line: 47, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 47, file: !5, scope: !6, type: !19, function: void ()* @_ZN1A1B8func_fwdEv, variables: !2)
+!27 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_debug_info_namespace.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, file: !1, scope: !28, type: !29, function: void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, variables: !2)
+!28 = !DIFile(filename: "debug-info-namespace.cpp", directory: "/tmp")
+!29 = !DISubroutineType(types: !2)
+!30 = !{!31, !32}
+!31 = !DIGlobalVariable(name: "i", linkageName: "_ZN1A1B1iE", line: 20, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13, variable: i32* @_ZN1A1B1iE)
+!32 = !DIGlobalVariable(name: "var_fwd", linkageName: "_ZN1A1B7var_fwdE", line: 44, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13, variable: i32* @_ZN1A1B7var_fwdE)
+!33 = !{!34, !35, !36, !37, !40, !41, !42, !43, !44, !45, !47, !48, !49, !51, !54, !55, !56}
+!34 = !DIImportedEntity(tag: DW_TAG_imported_module, line: 15, scope: !7, entity: !6)
+!35 = !DIImportedEntity(tag: DW_TAG_imported_module, line: 18, scope: !0, entity: !7)
+!36 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 19, name: "E", scope: !0, entity: !7)
+!37 = !DIImportedEntity(tag: DW_TAG_imported_module, line: 23, scope: !38, entity: !6)
+!38 = distinct !DILexicalBlock(line: 22, column: 10, file: !5, scope: !39)
+!39 = distinct !DILexicalBlock(line: 22, column: 7, file: !5, scope: !21)
+!40 = !DIImportedEntity(tag: DW_TAG_imported_module, line: 26, scope: !21, entity: !7)
+!41 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 27, scope: !21, entity: !"_ZTSN1A1B3fooE")
+!42 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 28, scope: !21, entity: !"_ZTSN1A1B3barE")
+!43 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 29, scope: !21, entity: !14)
+!44 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 30, scope: !21, entity: !31)
+!45 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 31, scope: !21, entity: !46)
+!46 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz", line: 7, file: !5, scope: !6, baseType: !"_ZTSN1A1B3barE")
+!47 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 32, name: "X", scope: !21, entity: !7)
+!48 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 33, name: "Y", scope: !21, entity: !47)
+!49 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 34, scope: !21, entity: !50)
+!50 = !DIGlobalVariable(name: "var_decl", linkageName: "_ZN1A1B8var_declE", line: 8, isLocal: false, isDefinition: false, scope: !6, file: !18, type: !13)
+!51 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 35, scope: !21, entity: !52)
+!52 = !DISubprogram(name: "func_decl", linkageName: "_ZN1A1B9func_declEv", line: 9, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: false, file: !5, scope: !6, type: !19, variables: !53)
+!53 = !{} ; previously: invalid DW_TAG_base_type
+!54 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 36, scope: !21, entity: !32)
+!55 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 37, scope: !21, entity: !26)
+!56 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 42, scope: !7, entity: !31)
+!57 = !{i32 2, !"Dwarf Version", i32 2}
+!58 = !{i32 2, !"Debug Info Version", i32 3}
+!59 = !{!"clang version 3.6.0 "}
+!60 = !DILocation(line: 3, column: 12, scope: !10)
+!61 = !DILocalVariable(name: "", line: 4, arg: 1, scope: !14, file: !18, type: !13)
+!62 = !DIExpression()
+!63 = !DILocation(line: 4, column: 12, scope: !14)
+!64 = !DILocation(line: 4, column: 16, scope: !14)
+!65 = !DILocation(line: 20, column: 12, scope: !17)
+!66 = !DILocalVariable(name: "b", line: 21, arg: 1, scope: !21, file: !18, type: !24)
+!67 = !DILocation(line: 21, column: 15, scope: !21)
+!68 = !DILocation(line: 22, column: 7, scope: !21)
+!69 = !DILocation(line: 24, column: 5, scope: !38)
+!70 = !DILocation(line: 38, column: 3, scope: !21)
+!71 = !DILocation(line: 39, column: 1, scope: !21)
+!72 = !DILocation(line: 44, column: 15, scope: !25)
+!73 = !DILocation(line: 47, column: 21, scope: !26)
+!74 = !DILocation(line: 0, scope: !75)
+!75 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !27)