Fix liveintervals handling of dbg_value instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/dbg_value.ll b/test/CodeGen/Generic/dbg_value.ll
new file mode 100644
index 0000000..ce3364d
--- /dev/null
+++ b/test/CodeGen/Generic/dbg_value.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s
+; rdar://7759395
+
+%0 = type { i32, i32 }
+
+define void @t(%0*, i32, i32, i32, i32) nounwind {
+  tail call void @llvm.dbg.value(metadata !{%0* %0}, i64 0, metadata !0)
+  unreachable
+}
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+!0 = metadata !{i32 0} ;