[compiler] Remove the special case "prototype" load in class literals.

src/full-codegen/mips64/full-codegen-mips64.cc

Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index d86479833c661ccab3bf7a3e028a91559e8c6fbe..e74dcc2553105966f47f5d8fe086cc7cc0f4da26 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -2236,21 +2236,11 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
 
 void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
-  // Constructor is in v0.
-  DCHECK(lit != NULL);
-  __ push(v0);
-
-  // No access check is needed here since the constructor is created by the
-  // class literal.
-  Register scratch = a1;
-  __ ld(scratch,
-        FieldMemOperand(v0, JSFunction::kPrototypeOrInitialMapOffset));
-  __ push(scratch);
-
   for (int i = 0; i < lit->properties()->length(); i++) {
     ObjectLiteral::Property* property = lit->properties()->at(i);
     Expression* value = property->value();
 
+    Register scratch = a1;
     if (property->is_static()) {
       __ ld(scratch, MemOperand(sp, kPointerSize));  // constructor
     } else {
@@ -2298,10 +2288,6 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
         UNREACHABLE();
     }
   }
-
-  // Set both the prototype and constructor to have fast properties, and also
-  // freeze them in strong mode.
-  __ CallRuntime(Runtime::kFinalizeClassDefinition);
 }