!1 = !DIFile(filename: "test.c", directory: "/home/user/clang/build")
!2 = !{}
!3 = !{!4}
-!4 = !DISubprogram(name: "proc", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, function: void ()* @proc, variables: !2)
+!4 = distinct !DISubprogram(name: "proc", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, function: void ()* @proc, variables: !2)
!5 = !DISubroutineType(types: !6)
!6 = !{null}
!7 = !{!8, !10}