[Ignition/turbo] Add a NewWithSpread bytecode.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index 05c0afe8f6bacd2ea33142eeee53d78c38762f6f..760f56f4d3809dc60f029c3b0d3111427034d3fa 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -156,6 +156,8 @@ namespace interpreter {
     OperandType::kRegList, OperandType::kRegCount, OperandType::kRegOutPair)   \
   V(CallJSRuntime, AccumulatorUse::kWrite, OperandType::kIdx,                  \
     OperandType::kRegList, OperandType::kRegCount)                             \
+  V(ConstructWithSpread, AccumulatorUse::kWrite, OperandType::kRegList,        \
+    OperandType::kRegCount)                                                    \

[rmcilroy, 2016/12/05 15:03:44]

Could you move this to be near New bytecode. Also could we call it NewWithSpread
or rename the existing one (in seperate CL) to be Construct to keep things
consistent.

                                                                                \
   /* Intrinsics */                                                             \
   V(InvokeIntrinsic, AccumulatorUse::kWrite, OperandType::kIntrinsicId,        \