for-of should throw if result object is not an object

src/ast-value-factory.h

Index: src/ast-value-factory.h
diff --git a/src/ast-value-factory.h b/src/ast-value-factory.h
index 39a1732f1c0badea19070bf2d2fc6bc5b3a3d51b..43fa2d0e2ee7bdd543b8b710d669842c60edc676 100644
--- a/src/ast-value-factory.h
+++ b/src/ast-value-factory.h
@@ -230,38 +230,40 @@ class AstValue : public ZoneObject {
 
 
 // For generating constants.
-#define STRING_CONSTANTS(F)                             \
-  F(anonymous_function, "(anonymous function)")         \
-  F(arguments, "arguments")                             \
-  F(constructor, "constructor")                         \
-  F(default, "default")                                 \
-  F(done, "done")                                       \
-  F(dot, ".")                                           \
-  F(dot_for, ".for")                                    \
-  F(dot_generator, ".generator")                        \
-  F(dot_generator_object, ".generator_object")          \
-  F(dot_iterator, ".iterator")                          \
-  F(dot_module, ".module")                              \
-  F(dot_result, ".result")                              \
-  F(empty, "")                                          \
-  F(eval, "eval")                                       \
-  F(get_template_callsite, "GetTemplateCallSite")       \
-  F(initialize_const_global, "initializeConstGlobal")   \
-  F(initialize_var_global, "initializeVarGlobal")       \
-  F(is_construct_call, "_IsConstructCall")              \
-  F(let, "let")                                         \
-  F(make_reference_error, "MakeReferenceErrorEmbedded") \
-  F(make_syntax_error, "MakeSyntaxErrorEmbedded")       \
-  F(make_type_error, "MakeTypeErrorEmbedded")           \
-  F(native, "native")                                   \
-  F(new_target, "new.target")                           \
-  F(next, "next")                                       \
-  F(proto, "__proto__")                                 \
-  F(prototype, "prototype")                             \
-  F(this, "this")                                       \
-  F(use_asm, "use asm")                                 \
-  F(use_strong, "use strong")                           \
-  F(use_strict, "use strict")                           \
+#define STRING_CONSTANTS(F)                                                \
+  F(anonymous_function, "(anonymous function)")                            \
+  F(arguments, "arguments")                                                \
+  F(constructor, "constructor")                                            \
+  F(default, "default")                                                    \
+  F(done, "done")                                                          \
+  F(dot, ".")                                                              \
+  F(dot_for, ".for")                                                       \
+  F(dot_generator, ".generator")                                           \
+  F(dot_generator_object, ".generator_object")                             \
+  F(dot_iterator, ".iterator")                                             \
+  F(dot_module, ".module")                                                 \
+  F(dot_result, ".result")                                                 \
+  F(empty, "")                                                             \
+  F(eval, "eval")                                                          \
+  F(get_template_callsite, "GetTemplateCallSite")                          \
+  F(initialize_const_global, "initializeConstGlobal")                      \
+  F(initialize_var_global, "initializeVarGlobal")                          \
+  F(is_construct_call, "_IsConstructCall")                                 \
+  F(is_spec_object, "_IsSpecObject")                                       \
+  F(let, "let")                                                            \
+  F(make_reference_error, "MakeReferenceErrorEmbedded")                    \
+  F(make_syntax_error, "MakeSyntaxErrorEmbedded")                          \
+  F(make_type_error, "MakeTypeErrorEmbedded")                              \
+  F(native, "native")                                                      \
+  F(new_target, "new.target")                                              \
+  F(next, "next")                                                          \
+  F(proto, "__proto__")                                                    \
+  F(prototype, "prototype")                                                \
+  F(this, "this")                                                          \
+  F(throw_iterator_result_not_an_object, "ThrowIteratorResultNotAnObject") \
+  F(use_asm, "use asm")                                                    \
+  F(use_strong, "use strong")                                              \
+  F(use_strict, "use strict")                                              \
   F(value, "value")
 
 #define OTHER_CONSTANTS(F) \