Use raw_ostream::write_escaped instead of EscapeString.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84356 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Hello/Hello.cpp b/lib/Transforms/Hello/Hello.cpp
index 8000d0d..91534a7 100644
--- a/lib/Transforms/Hello/Hello.cpp
+++ b/lib/Transforms/Hello/Hello.cpp
@@ -30,9 +30,8 @@
 
     virtual bool runOnFunction(Function &F) {
       HelloCounter++;
-      std::string fname = F.getName();
-      EscapeString(fname);
-      errs() << "Hello: " << fname << "\n";
+      errs() << "Hello: ";
+      errs().write_escaped(F.getName()) << '\n';
       return false;
     }
   };
@@ -49,9 +48,8 @@
 
     virtual bool runOnFunction(Function &F) {
       HelloCounter++;
-      std::string fname = F.getName();
-      EscapeString(fname);
-      errs() << "Hello: " << fname << "\n";
+      errs() << "Hello: ";
+      errs().write_escaped(F.getName()) << '\n';
       return false;
     }