Rename original constructor to new target

src/arm/code-stubs-arm.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.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2251 matching lines @@
 #endif  // V8_INTERPRETED_REGEXP
 }
 
 
 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub,
                                        bool is_super) {
   // r0 : number of arguments to the construct function
   // r1 : the function to call
   // r2 : feedback vector
   // r3 : slot in feedback vector (Smi)
-  // r4 : original constructor (for IsSuperConstructorCall)
+  // r4 : new target (for IsSuperConstructorCall)
   FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
 
   // Number-of-arguments register must be smi-tagged to call out.
   __ SmiTag(r0);
   __ Push(r3, r2, r1, r0);
   if (is_super) {
     __ Push(r4);
   }
 
   __ CallStub(stub);
 
   if (is_super) {
     __ Pop(r4);
   }
   __ Pop(r3, r2, r1, r0);
   __ SmiUntag(r0);
 }
 
 
 static void GenerateRecordCallTarget(MacroAssembler* masm, bool is_super) {
   // Cache the called function in a feedback vector slot.  Cache states
   // are uninitialized, monomorphic (indicated by a JSFunction), and
   // megamorphic.
   // r0 : number of arguments to the construct function
   // r1 : the function to call
   // r2 : feedback vector
   // r3 : slot in feedback vector (Smi)
-  // r4 : original constructor (for IsSuperConstructorCall)
+  // r4 : new target (for IsSuperConstructorCall)
   Label initialize, done, miss, megamorphic, not_array_function;
 
   DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
             masm->isolate()->heap()->megamorphic_symbol());
   DCHECK_EQ(*TypeFeedbackVector::UninitializedSentinel(masm->isolate()),
             masm->isolate()->heap()->uninitialized_symbol());
 
   // Load the cache state into r5.
   __ add(r5, r2, Operand::PointerOffsetFromSmiKey(r3));
   __ ldr(r5, FieldMemOperand(r5, FixedArray::kHeaderSize));
@@ skipping 66 matching lines @@
   CallStubInRecordCallTarget(masm, &weak_cell_stub, is_super);
   __ bind(&done);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   // r0 : number of arguments
   // r1 : the function to call
   // r2 : feedback vector
   // r3 : slot in feedback vector (Smi, for RecordCallTarget)
-  // r4 : original constructor (for IsSuperConstructorCall)
+  // r4 : new target (for IsSuperConstructorCall)
 
   Label non_function;
   // Check that the function is not a smi.
   __ JumpIfSmi(r1, &non_function);
   // Check that the function is a JSFunction.
   __ CompareObjectType(r1, r5, r5, JS_FUNCTION_TYPE);
   __ b(ne, &non_function);
 
   if (RecordCallTarget()) {
     GenerateRecordCallTarget(masm, IsSuperConstructorCall());
 
     __ add(r5, r2, Operand::PointerOffsetFromSmiKey(r3));
     Label feedback_register_initialized;
     // Put the AllocationSite from the feedback vector into r2, or undefined.
     __ ldr(r2, FieldMemOperand(r5, FixedArray::kHeaderSize));
     __ ldr(r5, FieldMemOperand(r2, AllocationSite::kMapOffset));
     __ CompareRoot(r5, Heap::kAllocationSiteMapRootIndex);
     __ b(eq, &feedback_register_initialized);
     __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
     __ bind(&feedback_register_initialized);
 
     __ AssertUndefinedOrAllocationSite(r2, r5);
   }
 
-  // Pass function as original constructor.
+  // Pass function as new target.
   if (IsSuperConstructorCall()) {
     __ mov(r3, r4);
   } else {
     __ mov(r3, r1);
   }
 
   // Tail call to the function-specific construct stub (still in the caller
   // context at this point).
   __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
   __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kConstructStubOffset));
@@ skipping 2413 matching lines @@
     UNREACHABLE();
   }
 }
 
 
 void ArrayConstructorStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : argc (only if argument_count() == ANY)
   //  -- r1 : constructor
   //  -- r2 : AllocationSite or undefined
-  //  -- r3 : original constructor
+  //  -- r3 : new target
   //  -- sp[0] : return address
   //  -- sp[4] : last argument
   // -----------------------------------
 
   if (FLAG_debug_code) {
     // The array construct code is only set for the global and natives
     // builtin Array functions which always have maps.
 
     // Initial map for the builtin Array function should be a map.
     __ ldr(r4, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
@@ skipping 590 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM