Fix method dispatch in Keyed/StoreIC, and JumpIfNotUniqueName usage

src/ic/mips/ic-compiler-mips.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/ic/ic.h"
 #include "src/ic/ic-compiler.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm())
 
 
 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
                                                     CodeHandleList* handlers,
                                                     Handle<Name> name,
                                                     Code::StubType type,
                                                     IcCheckType check) {
   Label miss;
 
   if (check == PROPERTY &&
       (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
     // In case we are compiling an IC for dictionary loads and stores, just
     // check whether the name is unique.
     if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
-      __ JumpIfNotUniqueName(this->name(), &miss);
+      Register tmp = scratch1();
+      __ JumpIfSmi(this->name(), &miss);
+      __ lw(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
+      __ lbu(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
+      __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
     } else {
       __ Branch(&miss, ne, this->name(), Operand(name));
     }
   }
 
   Label number_case;
   Register match = scratch2();
   Label* smi_target = IncludesNumberType(types) ? &number_case : &miss;
   __ JumpIfSmi(receiver(), smi_target, match);  // Reg match is 0 if Smi.
 
@@ skipping 77 matching lines @@
   // Do tail-call to runtime routine.
   __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS