Add [artificial] debug info annotation to test matching r171826

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171830 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenCXX/debug-info-artificial-arg.cpp

@@ -23,7 +23,7 @@ int main(int argc, char **argv) {
 }
 
 // FIXME: The numbers are truly awful.
-// CHECK: !16 = metadata !{i32 786447, i32 0, metadata !"", i32 0, i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !17} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from A]
+// CHECK: !16 = metadata !{i32 786447, i32 0, metadata !"", i32 0, i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !17} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from A]
 // CHECK: !17 = metadata !{i32 {{.*}}, null, metadata !"A", metadata !6, i32 8, i64 128, i64 64, i32 0, i32 0, null, metadata !18, i32 0, metadata !17, null} ; [ DW_TAG_class_type ]
 // CHECK: metadata !17, metadata !"A", metadata !"A", metadata !"", metadata !6, i32 12, metadata !43, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !45, i32 12} ; [ DW_TAG_subprogram ]
 // CHECK: metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !44, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]