fix parsing of mdstring values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92290 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Assembler/metadata.ll b/test/Assembler/metadata.ll
index 57e1dae..cdb6978 100644
--- a/test/Assembler/metadata.ll
+++ b/test/Assembler/metadata.ll
@@ -2,8 +2,16 @@
 define void @test() {
   add i32 2, 1, !bar !0
   add i32 1, 2, !foo !1
+  
+  call void @llvm.dbg.func.start(metadata !"foo")
+  
   ret void, !foo !0, !bar !1
 }
 
 !0 = metadata !{i32 662302, i32 26, metadata !1, null}
 !1 = metadata !{i32 4}
+
+declare void @llvm.dbg.func.start(metadata) nounwind readnone
+
+
+; !foo = !{ !0, !"foo" }
\ No newline at end of file