fix parsing of mdstring values.

llvm-svn: 92290
diff --git a/llvm/test/Assembler/metadata.ll b/llvm/test/Assembler/metadata.ll
index 57e1dae..cdb6978 100644
--- a/llvm/test/Assembler/metadata.ll
+++ b/llvm/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" }
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