!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!12}
-!0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 152837) (llvm/trunk 152845)", isOptimized: false, emissionKind: 0, file: !11, enums: !1, retainedTypes: !1, subprograms: !1, globals: !3, imports: !1)
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 152837) (llvm/trunk 152845)", isOptimized: false, emissionKind: 0, file: !11, enums: !1, retainedTypes: !1, subprograms: !1, globals: !3, imports: !1)
!1 = !{}
!3 = !{!5}
!5 = !DIGlobalVariable(name: "f", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7, variable: %struct.foo* @f)