[Issue 6599] ICE(constfold.c) On use of invalid expression as a compile-time initializer

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http://d.puremagic.com/issues/show_bug.cgi?id=6599



--- Comment #3 from yebblies <yebblies at gmail.com> 2011-09-07 17:32:53 EST ---
(In reply to comment #2)
> (In reply to comment #1)
> > That's a strange place to get the error.  I get an AV at constfold.c:1396.
> > 
> > CatExp::optimize calls :optimize on fileProtocol (which does nothing) then
> > passes it along to Cat, which crashes trying to access fileProtocol's type.
> > 
> > It seems to happen for all operators:
> [snip] 
> > It is probably invalid to assume e->type has been set inside Cat and other
> > constfold functions.
> 
> No, it's valid. Those functions should only be called after the semantic pass
> was completed successfully on the expression. This is yet another gagging
> system bug.
> 
> Repository is forward referenced from Orbit. Semantic is run on Repository with
> errors gagged. This semantic pass fails, but leaves Repository's members in an
> invalid state.
> If you move Orbit after Repository, you see the correct error messages.

Ok. That would make this another case of bug 4269?

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