[stubs] Introduce a dedicated FastNewObjectStub.

src/mips64/macro-assembler-mips64.h

 // Copyright 2012 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.
 
 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips64/assembler-mips64.h"
@@ skipping 1646 matching lines @@
   // Abort execution if argument is not a name, enabled via --debug-code.
   void AssertName(Register object);
 
   // Abort execution if argument is not a JSFunction, enabled via --debug-code.
   void AssertFunction(Register object);
 
   // Abort execution if argument is not a JSBoundFunction,
   // enabled via --debug-code.
   void AssertBoundFunction(Register object);
 
+  // Abort execution if argument is not a JSReceiver, enabled via --debug-code.
+  void AssertReceiver(Register object);
+
   // Abort execution if argument is not undefined or an AllocationSite, enabled
   // via --debug-code.
   void AssertUndefinedOrAllocationSite(Register object, Register scratch);
 
   // Abort execution if reg is not the root value with the given index,
   // enabled via --debug-code.
   void AssertIsRoot(Register reg, Heap::RootListIndex index);
 
   // ---------------------------------------------------------------------------
   // HeapNumber utilities.
@@ skipping 280 matching lines @@
 #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 internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_