[Turbofan] Implement super calls with spread bytecode in assembly code.

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 c2568eb8e6612d18acf9cdc1ecbc8c01c1f5f89d..39c8d9259c5c80806aed3db7b70328433e6099b1 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -243,10 +243,10 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
   // Call the JS runtime function with |context_index| and arguments |args|.
   BytecodeArrayBuilder& CallJSRuntime(int context_index, RegisterList args);
 
-  // Call the constructor in |args[0]| with new_target in |args[1]| and the
-  // arguments starting at |args[2]| onwards. The final argument must be a
-  // spread.
-  BytecodeArrayBuilder& NewWithSpread(RegisterList args);
+  // Call the new operator for use with a spread. The accumulator holds the
+  // |new_target|. The |constructor| is in a register and arguments are in
+  // |args|. The final argument must be a spread.
+  BytecodeArrayBuilder& NewWithSpread(Register constructor, RegisterList args);

[rmcilroy, 2017/01/16 16:28:02]

I realize you didn't change this in this CL, but this should be up near the
New() function.

[petermarshall, 2017/01/18 10:05:32]

Done

 
   // Operators (register holds the lhs value, accumulator holds the rhs value).
   // Type feedback will be recorded in the |feedback_slot|