I use CCL for some production CL applications that use Elephant. Which version
of CCL are you having problems with? I haven't upgraded in awhile - 1.2-1.4
were all good for me.
The latest available, 1.7, 64-bit. 1.6 had same problems IIRC.
I've localized a problem a bit: it is triggered by recompiling/reloading
some files in src/elephant. (Maybe it is just one of problems.) So this
looks like a problem with CCL itself. Or maybe we're breaking something...
I hope that finding which files trigger error will reveal something
about its nature. For example,
(load (compile-file "src/elephant/classes.lisp"))
is ok. But when classes.fasl is loaded after <something> some slots just
vanish on class redefinition.
BDB backend seems to be more vulnerable to this stuff, not just slots
disappear but superclasses... WTF
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