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# 47e85b1b 29-May-2014 Nikita Popov

Improve class constant fetch fix

Dereference the cached constant for Test::TEST as well (and not just
self::TEST).

Also improve the phpt file to test this case as well - previou

Improve class constant fetch fix

Dereference the cached constant for Test::TEST as well (and not just
self::TEST).

Also improve the phpt file to test this case as well - previously
this only manifested with opcache enabled, due to literal sharing.

Additionally the Z_TYPE_P != IS_REFERENCE assertion is now moved
into the TMP_VAR fetching code (as it applies to more than just
property assignments.)

show more ...


# d9a35c7e 28-May-2014 Nikita Popov

Fix class constant fetching

If a class is extended after the constant fetch has been cached
the cached value will be turned into a reference. On the next
fetch the polymorphic cache

Fix class constant fetching

If a class is extended after the constant fetch has been cached
the cached value will be turned into a reference. On the next
fetch the polymorphic cache will return this reference, which
will be directly returned. The object assignment code then
dereferences this result and performs a shallow copy, which is
invalid for references. This subsequently leads to the constant
value being prematurely freed.

This is fixed by dereferencing the value returned from the
polymorphic cache. Furthermore the incorrect dereference from
in the object assignment code is replaced with an assertion that
we're dealing with a non-reference, so ensure that this kind of
problem cannot go unnoticed in the future.

show more ...