MIPS: Correct handling of arrays with callbacks in the prototype chain.

src/mips/macro-assembler-mips.h

 // Copyright 2012 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 1508 matching lines @@
 
   void JumpIfJSArrayHasAllocationMemento(Register receiver_reg,
                                          Register scratch_reg,
                                          Label* memento_found) {
     Label no_memento_found;
     TestJSArrayForAllocationMemento(receiver_reg, scratch_reg,
                                     &no_memento_found, eq, memento_found);
     bind(&no_memento_found);
   }
 
+  // Jumps to found label if a prototype map has dictionary elements.
+  void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0,
+                                        Register scratch1, Label* found);
+
  private:
   void CallCFunctionHelper(Register function,
                            int num_reg_arguments,
                            int num_double_arguments);
 
   void BranchShort(int16_t offset, BranchDelaySlot bdslot = PROTECT);
   void BranchShort(int16_t offset, Condition cond, Register rs,
                    const Operand& rt,
                    BranchDelaySlot bdslot = PROTECT);
   void BranchShort(Label* L, BranchDelaySlot bdslot = PROTECT);
@@ skipping 103 matching lines @@
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_