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Fix an issue when shrinking arrays (#3041)

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There was an issue with fast arrays not correctly inserting "holes" when shrinking them.

Fixes #3039

JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
This commit is contained in:
Daniel Balla
2019-09-03 18:47:45 +03:00
committed by Dániel Bátyai
parent 91e87fe34f
commit e79059c94b
2 changed files with 28 additions and 0 deletions
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jerry-core/ecma/operations/ecma-array-object.c
+5
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@@ -431,6 +431,11 @@ ecma_delete_fast_array_properties (ecma_object_t *object_p, /**< fast access mod
old_aligned_length * sizeof (ecma_value_t),
new_aligned_length * sizeof (ecma_value_t));
for (uint32_t i = new_length; i < new_aligned_length; i++)
{
new_values_p[i] = ECMA_VALUE_ARRAY_HOLE;
}
ext_obj_p->u.array.length = new_length;
ECMA_SET_POINTER (object_p->u1.property_list_cp, new_values_p);