Rename original constructor to new target

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index 2ead847cbfa1bc2711c5c51580490c2ab42d6a1d..2a9cac891f29e85f70bf47af6b66817e72a61d88 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -211,7 +211,7 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0                     : number of arguments
   //  -- r1                     : constructor function
-  //  -- r3                     : original constructor
+  //  -- r3                     : new target
   //  -- lr                     : return address
   //  -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
   //  -- sp[argc * 4]           : receiver
@@ -251,7 +251,7 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
     __ bind(&done_convert);
   }
 
-  // 3. Check if original constructor and constructor differ.
+  // 3. Check if new target and constructor differ.
   Label new_object;
   __ cmp(r1, r3);
   __ b(ne, &new_object);
@@ -261,7 +261,7 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
     // ----------- S t a t e -------------
     //  -- r2 : the first argument
     //  -- r1 : constructor function
-    //  -- r3 : original constructor
+    //  -- r3 : new target
     //  -- lr : return address
     // -----------------------------------
     __ Allocate(JSValue::kSize, r0, r4, r5, &new_object, TAG_OBJECT);
@@ -281,7 +281,7 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
   __ bind(&new_object);
   {
     FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ Push(r2, r1, r3);  // first argument, constructor, original constructor
+    __ Push(r2, r1, r3);  // first argument, constructor, new target
     __ CallRuntime(Runtime::kNewObject, 2);
     __ Pop(r2);
   }
@@ -343,7 +343,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
   //  -- r0     : number of arguments
   //  -- r1     : constructor function
   //  -- r2     : allocation site or undefined
-  //  -- r3     : original constructor
+  //  -- r3     : new target
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
@@ -373,12 +373,12 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
       __ tst(r2, r2);
       __ b(ne, &rt_call);
 
-      // Verify that the original constructor is a JSFunction.
+      // Verify that the new target is a JSFunction.
       __ CompareObjectType(r3, r5, r4, JS_FUNCTION_TYPE);
       __ b(ne, &rt_call);
 
       // Load the initial map and verify that it is in fact a map.
-      // r3: original constructor
+      // r3: new target
       __ ldr(r2, FieldMemOperand(r3, JSFunction::kPrototypeOrInitialMapOffset));
       __ JumpIfSmi(r2, &rt_call);
       __ CompareObjectType(r2, r5, r4, MAP_TYPE);
@@ -499,18 +499,18 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
       // r4: JSObject
       __ jmp(&allocated);
 
-      // Reload the original constructor and fall-through.
+      // Reload the new target and fall-through.
       __ bind(&rt_call_reload_new_target);
       __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
     }
 
     // Allocate the new receiver object using the runtime call.
     // r1: constructor function
-    // r3: original constructor
+    // r3: new target
     __ bind(&rt_call);
 
     __ push(r1);  // constructor function
-    __ push(r3);  // original constructor
+    __ push(r3);  // new target
     __ CallRuntime(Runtime::kNewObject, 2);
     __ mov(r4, r0);
 
@@ -606,7 +606,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
     __ bind(&exit);
     // r0: result
     // sp[0]: receiver (newly allocated object)
-    // sp[1]: new.target (original constructor)
+    // sp[1]: new target
     // sp[2]: number of arguments (smi-tagged)
     __ ldr(r1, MemOperand(sp, 2 * kPointerSize));
 
@@ -635,7 +635,7 @@ void Builtins::Generate_JSConstructStubForDerived(MacroAssembler* masm) {
   //  -- r0     : number of arguments
   //  -- r1     : constructor function
   //  -- r2     : allocation site or undefined
-  //  -- r3     : original constructor
+  //  -- r3     : new target
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
@@ -1013,7 +1013,7 @@ void Builtins::Generate_InterpreterPushArgsAndCall(MacroAssembler* masm) {
 void Builtins::Generate_InterpreterPushArgsAndConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   // -- r0 : argument count (not including receiver)
-  // -- r3 : original constructor
+  // -- r3 : new target
   // -- r1 : constructor to call
   // -- r2 : address of the first argument
   // -----------------------------------
@@ -1706,7 +1706,7 @@ void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : the number of arguments (not including the receiver)
   //  -- r1 : the constructor to call (checked to be a JSFunction)
-  //  -- r3 : the original constructor (checked to be a JSFunction)
+  //  -- r3 : the new target (checked to be a JSFunction)
   // -----------------------------------
   __ AssertFunction(r1);
   __ AssertFunction(r3);
@@ -1728,7 +1728,7 @@ void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : the number of arguments (not including the receiver)
   //  -- r1 : the constructor to call (checked to be a JSFunctionProxy)
-  //  -- r3 : the original constructor (either the same as the constructor or
+  //  -- r3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
@@ -1743,7 +1743,7 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : the number of arguments (not including the receiver)
   //  -- r1 : the constructor to call (can be any Object)
-  //  -- r3 : the original constructor (either the same as the constructor or
+  //  -- r3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------