[Ignition/turbo] Add a NewWithSpread bytecode.

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index 9c176d57ac8e124e3b596fb7e02d5f7760e58470..5752921829c386d14704cd90dfdc26e49a6cdba3 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -240,6 +240,8 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
   // Call the JS runtime function with |context_index| and arguments |args|.
   BytecodeArrayBuilder& CallJSRuntime(int context_index, RegisterList args);
 
+  BytecodeArrayBuilder& ConstructWithSpread(RegisterList args);

[Benedikt Meurer, 2016/12/05 11:42:10]

Nit: you should add a descriptive comment.

[petermarshall, 2016/12/05 13:30:46]

Done

+
   // Operators (register holds the lhs value, accumulator holds the rhs value).
   // Type feedback will be recorded in the |feedback_slot|
   BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg,