Remove the unused 4th operand for DIFile debug info metadata

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176983 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/debug-info-arg.ll b/test/CodeGen/ARM/debug-info-arg.ll
index bbf8060..65541ab 100644
--- a/test/CodeGen/ARM/debug-info-arg.ll
+++ b/test/CodeGen/ARM/debug-info-arg.ll
@@ -35,7 +35,7 @@
 
 !0 = metadata !{i32 786449, i32 0, i32 12, metadata !2, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, null, null, metadata !30, null, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"", metadata !2, i32 11, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, void (%struct.tag_s*, %struct.tag_s*, i64, i64, %struct.tag_s*, %struct.tag_s*)* @foo, null, null, metadata !31, i32 11} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"one.c", metadata !"/Volumes/Athwagate/R10048772", metadata !0} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"one.c", metadata !"/Volumes/Athwagate/R10048772"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{null}
 !5 = metadata !{i32 786689, metadata !1, metadata !"this", metadata !2, i32 16777227, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]