unbreak the CBE on treeadd an many others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55112 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index f3de190..456bda3 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -773,9 +773,9 @@
       if (isprint(C) && (!LastWasHex || !isxdigit(C))) {
         LastWasHex = false;
         if (C == '"' || C == '\\')
-          Out << "\\" << C;
+          Out << "\\" << (char)C;
         else
-          Out << C;
+          Out << (char)C;
       } else {
         LastWasHex = false;
         switch (C) {