!1 = !DIFile(filename: "x.c", directory: "")
!2 = !{}
!3 = !{!4, !9}
-!4 = !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, function: i32 (i32)* @foo, variables: !2)
+!4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, function: i32 (i32)* @foo, variables: !2)
!5 = !DIFile(filename: "x.c", directory: "")
!6 = !DISubroutineType(types: !7)
!7 = !{!8, !8}
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!9 = !DISubprogram(name: "main", line: 8, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 9, file: !1, scope: !5, type: !10, function: i32 ()* @main, variables: !2)
+!9 = distinct !DISubprogram(name: "main", line: 8, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 9, file: !1, scope: !5, type: !10, function: i32 ()* @main, variables: !2)
!10 = !DISubroutineType(types: !11)
!11 = !{!8}
!12 = !{i32 2, !"Dwarf Version", i32 4}