Bound names of for-in/of statements cannot contain let (#4225)

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai daniel.batyai@h-lab.eu
2020-09-25 16:33:11 +02:00
parent de38764e88
commit f58f15077f
3 changed files with 9 additions and 6 deletions
@@ -1374,6 +1374,15 @@ parser_parse_for_statement_start (parser_context_t *context_p) /**< context */
 #endif /* ENABLED (JERRY_ESNEXT) */

        lexer_expect_identifier (context_p, LEXER_IDENT_LITERAL);
+
+#if ENABLED (JERRY_ESNEXT)
+        if (context_p->token.keyword_type == LEXER_KEYW_LET
+            && token_type != LEXER_KEYW_VAR)
+        {
+          parser_raise_error (context_p, PARSER_ERR_LEXICAL_LET_BINDING);
+        }
+#endif /* ENABLED (JERRY_ESNEXT) */
+
        JERRY_ASSERT (context_p->token.type == LEXER_LITERAL
                      && context_p->token.lit_location.type == LEXER_IDENT_LITERAL);