[interpreter] Switch passing of new.target to register.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 6fed89cd566d4af1624b96b7c3535c24b7285787..4cc4b90355324e561712f0ff0aa3aedae450ff45 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -784,6 +784,7 @@ void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
 //
 // The live registers are:
 //   o a1: the JS function object being called.
+//   o a3: the new target
 //   o cp: our context
 //   o fp: the caller's frame pointer
 //   o sp: stack pointer
@@ -801,6 +802,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
 
   __ Push(ra, fp, cp, a1);
   __ Addu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
+  __ Push(a3);
 
   // Get the bytecode array from the function object and load the pointer to the
   // first entry into kInterpreterBytecodeRegister.
@@ -866,9 +868,9 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
 
   // Load bytecode offset and dispatch table into registers.
   __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
-  __ Subu(
-      kInterpreterRegisterFileRegister, fp,
-      Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp));
+  __ Subu(kInterpreterRegisterFileRegister, fp,
+          Operand(2 * kPointerSize +
+                  StandardFrameConstants::kFixedFrameSizeFromFp));
   __ li(kInterpreterBytecodeOffsetRegister,
         Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
   __ LoadRoot(kInterpreterDispatchTableRegister,