[Ignition/turbo] Add a NewWithSpread bytecode.

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index 5565e01f547fc2db137c61a1c82d8594b4cdef41..0d7c1408c54738fe997bf342dba93fe77f15e6d1 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -2493,25 +2493,12 @@ void BytecodeGenerator::VisitCallSuper(Call* expr) {
   // When a super call contains a spread, a CallSuper AST node is only created
   // if there is exactly one spread, and it is the last argument.
   if (!args->is_empty() && args->last()->IsSpread()) {
-    // Prepare the spread arguments.
-    RegisterList spread_prepare_args =
-        register_allocator()->NewRegisterList(args->length());
-    VisitArguments(args, spread_prepare_args);
-
-    builder()->CallRuntime(Runtime::kSpreadIterablePrepareVarargs,
-                           spread_prepare_args);
-
-    // Call ReflectConstruct to do the actual super constructor call.
-    RegisterList reflect_construct_args =
-        register_allocator()->NewRegisterList(4);
-    builder()
-        ->StoreAccumulatorInRegister(reflect_construct_args[2])
-        .LoadUndefined()
-        .StoreAccumulatorInRegister(reflect_construct_args[0])
-        .MoveRegister(constructor, reflect_construct_args[1]);
-    VisitForRegisterValue(super->new_target_var(), reflect_construct_args[3]);
-    builder()->CallJSRuntime(Context::REFLECT_CONSTRUCT_INDEX,
-                             reflect_construct_args);
+    RegisterList args_regs =
+        register_allocator()->NewRegisterList(args->length() + 2);
+    builder()->MoveRegister(constructor, args_regs[0]);
+    VisitForRegisterValue(super->new_target_var(), args_regs[1]);
+    VisitArguments(args, args_regs, 2);
+    builder()->NewWithSpread(args_regs);
   } else {
     RegisterList args_regs =
         register_allocator()->NewRegisterList(args->length());