Revert of new classes: implement new.target passing to superclass constructor.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 599231ef7fb1f4f1a98bfd6233b7c216180e2394..7508c01e4998473eb00ffd20ab7ce4700241e6a3 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -262,10 +262,6 @@
     //   function, receiver address, parameter count.
     // The stub will rewrite receiever and parameter count if the previous
     // stack frame was an arguments adapter frame.
-    ArgumentsAccessStub::HasNewTarget has_new_target =
-        IsSubclassConstructor(info->function()->kind())
-            ? ArgumentsAccessStub::HAS_NEW_TARGET
-            : ArgumentsAccessStub::NO_NEW_TARGET;
     ArgumentsAccessStub::Type type;
     if (is_strict(language_mode())) {
       type = ArgumentsAccessStub::NEW_STRICT;
@@ -274,7 +270,7 @@
     } else {
       type = ArgumentsAccessStub::NEW_SLOPPY_FAST;
     }
-    ArgumentsAccessStub stub(isolate(), type, has_new_target);
+    ArgumentsAccessStub stub(isolate(), type);
     __ CallStub(&stub);
 
     SetVar(arguments, r0, r1, r2);
@@ -454,12 +450,7 @@
     // Make sure that the constant pool is not emitted inside of the return
     // sequence.
     { Assembler::BlockConstPoolScope block_const_pool(masm_);
-      int32_t arg_count = info_->scope()->num_parameters() + 1;
-      if (FLAG_experimental_classes &&
-          IsSubclassConstructor(info_->function()->kind())) {
-        arg_count++;
-      }
-      int32_t sp_delta = arg_count * kPointerSize;
+      int32_t sp_delta = (info_->scope()->num_parameters() + 1) * kPointerSize;
       CodeGenerator::RecordPositions(masm_, function()->end_position() - 1);
       // TODO(svenpanne) The code below is sometimes 4 words, sometimes 5!
       PredictableCodeSizeScope predictable(masm_, -1);
@@ -3266,11 +3257,6 @@
 
 
 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
-  Comment cmnt(masm_, "[ SuperConstructorCall");
-  Variable* new_target_var = scope()->DeclarationScope()->new_target_var();
-  GetVar(result_register(), new_target_var);
-  __ Push(result_register());
-
   SuperReference* super_ref = expr->expression()->AsSuperReference();
   EmitLoadSuperConstructor(super_ref);
   __ push(result_register());
@@ -3314,10 +3300,9 @@
   __ Move(r2, FeedbackVector());
   __ mov(r3, Operand(SmiFromSlot(expr->CallFeedbackSlot())));
 
-  CallConstructStub stub(isolate(), SUPER_CALL_RECORD_TARGET);
+  // TODO(dslomov): use a different stub and propagate new.target.
+  CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET);
   __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
-
-  __ Drop(1);
 
   RecordJSReturnSite(expr);