tree 9a5e4b8e9c34ff399474be68a0de4db0780ff2de
parent 3f8a6d990b643dbf005dbcb60174088925dbb9b0
author Niels Lohmann <mail@nlohmann.me> 1788619358 +0200
committer Niels Lohmann <mail@nlohmann.me> 1789413662 +0200
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Reject array insert(pos, first, last) iterators not pointing into an array

The array-range insert() overload checked that pos fits the current
value and that first/last share the same owning value, but never
verified that value is itself an array. Passing iterators from an
object, a primitive, or null handed value-initialized (singular)
std::vector iterators straight to array_t::insert(), which is
undefined behavior. Add the missing is_array() check, mirroring the
equivalent check already present in the object-range insert()
overload.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>