[async-iteration] add support for for-await-of loops in Async Functions

src/interpreter/constant-array-builder.cc

Index: src/interpreter/constant-array-builder.cc
diff --git a/src/interpreter/constant-array-builder.cc b/src/interpreter/constant-array-builder.cc
index 4b64f5b477da7da91ab76a578fd7f2be866cceb2..74d887a61a108cfc3620e5b4037e1ec3405523cd 100644
--- a/src/interpreter/constant-array-builder.cc
+++ b/src/interpreter/constant-array-builder.cc
@@ -319,12 +319,11 @@ Handle<Object> ConstantArrayBuilder::Entry::ToHandle(Isolate* isolate) const {
       return heap_number_->value();
     case Tag::kScope:
       return scope_->scope_info();
-    case Tag::kIteratorSymbol:
-      return isolate->factory()->iterator_symbol();
-    case Tag::kHomeObjectSymbol:
-      return isolate->factory()->home_object_symbol();
-    case Tag::kEmptyFixedArray:
-      return isolate->factory()->empty_fixed_array();
+#define ENTRY_LOOKUP(Name, name) \
+  case Tag::k##Name:             \
+    return isolate->factory()->name();
+      SINGLETON_CONSTANT_ENTRY_TYPES(ENTRY_LOOKUP);
+#undef ENTRY_LOOKUP

[caitp, 2017/02/10 19:38:41]

+leszeks@chromium.org  << does this seem like a reasonable way to do this? It
might be nicer than making changes to this file every time a new per-isolate
constant is needed, though I don't expect that to happen often.

   }
   UNREACHABLE();
   return Handle<Object>::null();