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1; Round trip for the following:2; ```3; struct A {4; struct {5; int y;6; };7; } a;8; ```9; This is the minimum code to generate export symbols flag due to anonymous class in A.10 11; RUN: llvm-as %s -o - | llvm-dis | llvm-as | llvm-dis | FileCheck %s12 13%struct.A = type { %struct.anon }14%struct.anon = type { i32 }15 16@a = global %struct.A zeroinitializer, align 4, !dbg !017 18!llvm.module.flags = !{!14, !15}19!llvm.dbg.cu = !{!2}20!llvm.ident = !{!16}21 22!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())23!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true)24!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: GNU)25!3 = !DIFile(filename: "simple_anon_class.cpp", directory: "/dir")26!4 = !{}27!5 = !{!0}28!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !3, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !7, identifier: "_ZTS1A")29!7 = !{!8}30!8 = !DIDerivedType(tag: DW_TAG_member, scope: !6, file: !3, line: 2, baseType: !9, size: 32)31!9 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !6, file: !3, line: 2, size: 32, flags: DIFlagExportSymbols | DIFlagTypePassByValue, elements: !10, identifier: "_ZTSN1AUt_E")32; CHECK: DIFlagExportSymbols | DIFlagTypePassByValue33!10 = !{!11}34!11 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !9, file: !3, line: 3, baseType: !12, size: 32)35!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)36!14 = !{i32 2, !"Dwarf Version", i32 4}37!15 = !{i32 2, !"Debug Info Version", i32 3}38!16 = !{!"clang version 10.0.0"}39