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Hello internals,
I’ve been trying to chase down a very subtle bug in 8.4 that only happens when OPcache is enabled
(I'm trying to create a reproducer to file an actual bug). From what I can tell, OPcache
doesn’t zero out cache slots, so occasionally, a cache slot will contain garbage that happens to
pass asserts/checks that causes the program to behave incorrectly. Without OPcache, cache slots are
always NULL if not set.
It's quite rare to end up in that situation, though, but I was wondering if anyone has any
opinions on this?
— Rob