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

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index e55069a604947287589d3e71e3df57ed5183e7da..35f835bbd4149641080158762526611ab22494a8 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -1488,7 +1488,6 @@
 
 
 void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
-  CHECK(!has_new_target());
   // The displacement is the offset of the last parameter (if any)
   // relative to the frame pointer.
   const int kDisplacement =
@@ -1545,8 +1544,6 @@
   // sp[0] : number of parameters
   // sp[4] : receiver displacement
   // sp[8] : function
-
-  CHECK(!has_new_target());
 
   // Check if the calling frame is an arguments adaptor frame.
   Label runtime;
@@ -1575,8 +1572,6 @@
   // Registers used over whole function:
   //  r6 : allocated object (tagged)
   //  r9 : mapped parameter count (tagged)
-
-  CHECK(!has_new_target());
 
   __ ldr(r1, MemOperand(sp, 0 * kPointerSize));
   // r1 = parameter count (tagged)
@@ -1818,10 +1813,6 @@
   // Patch the arguments.length and the parameters pointer.
   __ bind(&adaptor_frame);
   __ ldr(r1, MemOperand(r2, ArgumentsAdaptorFrameConstants::kLengthOffset));
-  if (has_new_target()) {
-    // Subtract 1 from smi-tagged arguments count.
-    __ sub(r1, r1, Operand(2));
-  }
   __ str(r1, MemOperand(sp, 0));
   __ add(r3, r2, Operand::PointerOffsetFromSmiKey(r1));
   __ add(r3, r3, Operand(StandardFrameConstants::kCallerSPOffset));
@@ -2573,13 +2564,7 @@
   }
 
   // Pass function as original constructor.
-  if (IsSuperConstructorCall()) {
-    __ mov(r4, Operand(1 * kPointerSize));
-    __ add(r4, r4, Operand(r0, LSL, kPointerSizeLog2));
-    __ ldr(r3, MemOperand(sp, r4));
-  } else {
-    __ mov(r3, r1);
-  }
+  __ mov(r3, r1);
 
   // Jump to the function-specific construct stub.
   Register jmp_reg = r4;