Legalize the debug info in this testcase in anticipation of future Verifier improvements.

llvm-svn: 266017
diff --git a/llvm/test/Linker/Inputs/mdlocation.ll b/llvm/test/Linker/Inputs/mdlocation.ll
index 7ba19ff..2d16697 100644
--- a/llvm/test/Linker/Inputs/mdlocation.ll
+++ b/llvm/test/Linker/Inputs/mdlocation.ll
@@ -1,13 +1,23 @@
-!named = !{!0, !1, !2, !3, !4, !5}
+define void @foo1() !dbg !0 {
+  ret void, !dbg !3
+}
 
-!0 = distinct !DISubprogram() ; Use this as a scope.
-!1 = !DILocation(line: 3, column: 7, scope: !0)
-!2 = !DILocation(line: 3, column: 7, scope: !0, inlinedAt: !1)
-!3 = !DILocation(line: 3, column: 7, scope: !0, inlinedAt: !2)
+!named = !{!1, !2, !3, !4, !5}
+
+!0 = distinct !DISubprogram(file: !7, scope: !7, line: 1, name: "foo", type: !9)
+
+!1 = !DILocation(line: 3, column: 7, scope: !10)
+!2 = !DILocation(line: 3, column: 7, scope: !10, inlinedAt: !1)
+!3 = !DILocation(line: 3, column: 7, scope: !10, inlinedAt: !2)
 ; Test distinct nodes.
-!4 = distinct !DILocation(line: 3, column: 7, scope: !0)
-!5 = distinct !DILocation(line: 3, column: 7, scope: !0, inlinedAt: !4)
+!4 = distinct !DILocation(line: 3, column: 7, scope: !10)
+!5 = distinct !DILocation(line: 3, column: 7, scope: !10, inlinedAt: !4)
 
 !llvm.dbg.cu = !{!6}
 !6 = distinct !DICompileUnit(language: DW_LANG_C89, file: !7, subprograms: !{!0})
 !7 = !DIFile(filename: "source.c", directory: "/dir")
+
+!llvm.module.flags = !{!8}
+!8 = !{i32 1, !"Debug Info Version", i32 3}
+!9 = !DISubroutineType(types: !{})
+!10 = distinct !DILexicalBlock(line: 3, column: 3, file: !7, scope: !0)