Move final parts of class literal setup into a single runtime call

src/full-codegen/mips/full-codegen-mips.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
@@ skipping 2543 matching lines @@
         __ li(a0, Operand(Smi::FromInt(DONT_ENUM)));
         __ push(a0);
         __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 4);
         break;
 
       default:
         UNREACHABLE();
     }
   }
 
-  // prototype
-  __ CallRuntime(Runtime::kToFastProperties, 1);
-
-  // constructor
-  __ CallRuntime(Runtime::kToFastProperties, 1);
-
-  if (is_strong(language_mode())) {
-    __ lw(scratch,
-          FieldMemOperand(v0, JSFunction::kPrototypeOrInitialMapOffset));
-    __ Push(v0, scratch);
-    // TODO(conradw): It would be more efficient to define the properties with
-    // the right attributes the first time round.
-    // Freeze the prototype.
-    __ CallRuntime(Runtime::kObjectFreeze, 1);
-    // Freeze the constructor.
-    __ CallRuntime(Runtime::kObjectFreeze, 1);
-  }
+  // Set both the prototype and constructor to have fast properties, and also
+  // freeze them in strong mode.
+  __ CallRuntime(is_strong(language_mode())
+                     ? Runtime::kFinalizeClassDefinitionStrong
+                     : Runtime::kFinalizeClassDefinition,
+                 2);
 }
 
 
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
   __ mov(a0, result_register());
   __ pop(a1);
   Handle<Code> code =
       CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
   JumpPatchSite patch_site(masm_);    // unbound, signals no inlined smi code.
   CallIC(code, expr->BinaryOperationFeedbackId());
@@ skipping 2839 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS