LEXER_ASSIGN_GROUP_EXPR should not be emitted when parsing LHS expression (#3990)

This patch fixes #3935. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2020-07-10 08:35:33 +02:00
parent 35e1e98008
commit b90fa63255
2 changed files with 21 additions and 1 deletions
@@ -3487,7 +3487,8 @@ parser_process_group_expression (parser_context_t *context_p, /**< context */
  if (JERRY_UNLIKELY (context_p->token.type == LEXER_ASSIGN
                      && PARSER_IS_PUSH_LITERALS_WITH_THIS (context_p->last_cbc_opcode)
                      && context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL
-                      && parser_is_assignment_expr (context_p)))
+                      && parser_is_assignment_expr (context_p)
+                      && *grouping_level_p != PARSE_EXPR_LEFT_HAND_SIDE))
  {
    parser_stack_push_uint8 (context_p, LEXER_ASSIGN_GROUP_EXPR);
  }