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This argument must be pseudo-array in {Map/Set}Iterator.prototype.next routine (#2960)

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This patch fixes #2950.

Co-authored-by: Gabor Loki loki@inf.u-szeged.hu
JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-07-11 11:33:17 +02:00
committed by Dániel Bátyai
parent 06000b5161
commit a3cd2d7ff6
2 changed files with 25 additions and 2 deletions
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jerry-core/ecma/operations/ecma-container-object.c
+2 -2
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@@ -698,8 +698,8 @@ ecma_op_container_iterator_next (ecma_value_t this_val, /**< this argument */
ecma_object_t *obj_p = ecma_get_object_from_value (this_val);
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) obj_p;
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_PSEUDO_ARRAY
&& ext_obj_p->u.pseudo_array.type != iterator_type)
if (ecma_get_object_type (obj_p) != ECMA_OBJECT_TYPE_PSEUDO_ARRAY
|| ext_obj_p->u.pseudo_array.type != iterator_type)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an iterator."));
}