[ignition] desugar GetIterator() via bytecode rather than via AST

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index 9dab2da77a02e08217382a6ea93daf54ae6ac8f2..dfc5d183e0e782d01be5082857e91d8e9f52e869 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -725,6 +725,12 @@ BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfNotHole(
   return *this;
 }
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfJSReceiver(
+    BytecodeLabel* label) {
+  OutputJumpIfJSReceiver(label, 0);
+  return *this;
+}
+
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpLoop(BytecodeLabel* label,
                                                      int loop_depth) {
   OutputJumpLoop(label, 0, loop_depth);