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Re: serious EH thread bug


> To: mrs@wrs.com (Mike Stump)
> From: Jason Merrill <jason@cygnus.com>
> Date: 20 Nov 1998 22:34:53 -0800

> I meant, why are we modifying top_elt in the first place?  I thought
> it was just an end marker.

Nope.  There are handlers and there are cleanups, the later is an
optimization of the first.  We have a chain of handlers, and each
handler can have a chain of cleanups.  Since we cannot have cleanups
associated with NULL, we must have an empty end of chain handler to
have a chain of cleanups associate with it.


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