Translate raw strings to regular strings during source code generation. This should hopefully avoid…

runtime/vm/object.h

Index: runtime/vm/object.h
===================================================================
--- runtime/vm/object.h	(revision 20219)
+++ runtime/vm/object.h	(working copy)
@@ -4263,7 +4263,7 @@
                    intptr_t src_offset,
                    intptr_t len);
 
-  static RawString* EscapeSpecialCharacters(const String& str, bool raw_str);
+  static RawString* EscapeSpecialCharacters(const String& str);
 
   static RawString* Concat(const String& str1,
                            const String& str2,
@@ -4338,8 +4338,7 @@
     return *CharAddr(str, index);
   }
 
-  static RawOneByteString* EscapeSpecialCharacters(const String& str,
-                                                   bool raw_str);
+  static RawOneByteString* EscapeSpecialCharacters(const String& str);
 
   // We use the same maximum elements for all strings.
   static const intptr_t kBytesPerElement = 1;
@@ -4441,8 +4440,7 @@
     return *CharAddr(str, index);
   }
 
-  static RawTwoByteString* EscapeSpecialCharacters(const String& str,
-                                                   bool raw_str);
+  static RawTwoByteString* EscapeSpecialCharacters(const String& str);
 
   // We use the same maximum elements for all strings.
   static const intptr_t kBytesPerElement = 2;