For-of on null or undefined is an error

src/ast-value-factory.h

 // Copyright 2014 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 225 matching lines @@
 
 // For generating string constants.
 #define STRING_CONSTANTS(F) \
   F(anonymous_function, "(anonymous function)") \
   F(arguments, "arguments") \
   F(done, "done") \
   F(dot, ".") \
   F(dot_for, ".for") \
   F(dot_generator, ".generator") \
   F(dot_generator_object, ".generator_object") \
-  F(dot_iterable, ".iterable") \
   F(dot_iterator, ".iterator") \
   F(dot_module, ".module") \
   F(dot_result, ".result") \
   F(empty, "") \
   F(eval, "eval") \
   F(initialize_const_global, "initializeConstGlobal") \
   F(initialize_var_global, "initializeVarGlobal") \
   F(make_reference_error, "MakeReferenceError") \
   F(make_syntax_error, "MakeSyntaxError") \
   F(make_type_error, "MakeTypeError") \
@@ skipping 79 matching lines @@
   const AstRawString* name##_string_;
   STRING_CONSTANTS(F)
 #undef F
 };
 
 } }  // namespace v8::internal
 
 #undef STRING_CONSTANTS
 
 #endif  // V8_AST_VALUE_FACTORY_H_