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1; RUN: llvm-as -disable-output < %s -o /dev/null 2>&1 | FileCheck %s2 3define void @f() #0 !dbg !6 {4 br label %1, !dbg !9, !llvm.loop !105 ret void6}7 8!llvm.dbg.cu = !{!0}9!llvm.module.flags = !{!2, !3, !4}10 11!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1)12!1 = !DIFile(filename: "f.c", directory: "./")13!2 = !{i32 2, !"Dwarf Version", i32 4}14!3 = !{i32 2, !"Debug Info Version", i32 3}15!4 = !{i32 7, !"PIC Level", i32 2}16!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)17!7 = !DISubroutineType(types: !8)18!8 = !{}19!9 = !DILocation(line: 18, column: 2, scope: !6)20!10 = distinct !{!10, !11}21!11 = !DILocation(line: 18, column: 2, scope: !12)22!12 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !13)23 24; CHECK: warning: ignoring invalid debug info25; This CU isn't listed in llvm.dbg.cu26!13 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1)27