Debug Info: update testing cases to specify the debug info version number.

We are going to drop debug info without a version number or with a different
version number, to make sure we don't crash when we see bitcode files with
different debug info metadata format.

llvm-svn: 195504
diff --git a/llvm/test/DebugInfo/tu-composite.ll b/llvm/test/DebugInfo/tu-composite.ll
index 17bdae7..f838eca 100644
--- a/llvm/test/DebugInfo/tu-composite.ll
+++ b/llvm/test/DebugInfo/tu-composite.ll
@@ -121,7 +121,7 @@
 attributes #1 = { nounwind readnone }
 
 !llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!35}
+!llvm.module.flags = !{!35, !59}
 
 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !30, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"tmp.cpp", metadata !"."}
@@ -182,3 +182,4 @@
 !56 = metadata !{i32 786688, metadata !32, metadata !"t", metadata !7, i32 26, metadata !24, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 26]
 !57 = metadata !{i32 26, i32 0, metadata !32, null}
 !58 = metadata !{i32 27, i32 0, metadata !32, null}
+!59 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}