Remove ambiguity introduced in r192836

llvm-svn: 192840
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
index abc504c..bf02daa 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -385,7 +385,7 @@
     computeHash(*I);
 
   // Following the last (or if there are no children), append a zero byte.
-  Hash.update((uint8_t)0);
+  Hash.update(makeArrayRef((uint8_t)'\0'));
 }
 
 /// This is based on the type signature computation given in section 7.27 of the