new classes: no longer experimental.

src/ia32/full-codegen-ia32.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_IA32
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 3124 matching lines @@
   __ mov(edx, Immediate(SmiFromSlot(expr->CallNewFeedbackSlot())));
 
   CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET);
   __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
   PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
   context()->Plug(eax);
 }
 
 
 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
+  if (!ValidateSuperCall(expr)) return;
+
   Variable* new_target_var = scope()->DeclarationScope()->new_target_var();
   GetVar(eax, new_target_var);
   __ push(eax);
 
   EmitLoadSuperConstructor();
   __ push(result_register());
 
   // Push the arguments ("left-to-right") on the stack.
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
@@ skipping 946 matching lines @@
                         StandardFrameConstants::kCallerSPOffset));
     Label loop;
     __ bind(&loop);
     __ push(Operand(edx, -1 * kPointerSize));
     __ sub(edx, Immediate(kPointerSize));
     __ dec(ecx);
     __ j(not_zero, &loop);
   }
 
   __ bind(&args_set_up);
+
   __ mov(edi, Operand(esp, eax, times_pointer_size, 0));
 
   CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
   __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
 
   __ Drop(1);
 
   context()->Plug(eax);
 }
 
@@ skipping 1230 matching lines @@
   DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32