When strings can change from an ASCII representation to a...

src/log.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 348 matching lines @@
     Append(static_cast<char>(str->Get(i)));
   }
 }
 
 void LogMessageBuilder::AppendDetailed(String* str, bool show_impl_info) {
   AssertNoAllocation no_heap_allocation;  // Ensure string stay valid.
   int len = str->length();
   if (len > 0x1000)
     len = 0x1000;
   if (show_impl_info) {
-    Append(StringShape(str).IsAsciiRepresentation() ? 'a' : '2');
+    Append(str->IsAsciiRepresentation() ? 'a' : '2');
     if (StringShape(str).IsExternal())
       Append('e');
     if (StringShape(str).IsSymbol())
       Append('#');
     Append(":%i:", str->length());
   }
   for (int i = 0; i < len; i++) {
     uc32 c = str->Get(i);
     if (c > 0xff) {
       Append("\\u%04x", c);
@@ skipping 775 matching lines @@
     } else if (previous_->state_ == EXTERNAL) {
       // We are leaving V8.
       Heap::Protect();
     }
   }
 #endif
 }
 #endif
 
 } }  // namespace v8::internal