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Date:	Thu, 11 May 2000 13:10:15 -0400
Message-Id:	<200005111710.NAA24928@envy.delorie.com>
From:	DJ Delorie <dj AT delorie DOT com>
To:	khan AT NanoTech DOT Wisc DOT EDU
CC:	tprince AT computer DOT org, abegel AT cs DOT berkeley DOT edu, cygwin AT sourceware DOT cygnus DOT com
In-reply-to:	<Pine.HPP.3.96.1000511115354.15891D-100000@hp2.xraylith.wisc.edu>
	(message from Mumit Khan on Thu, 11 May 2000 11:55:11 -0500 (CDT))
Subject:	Re: GDB hangs on Win2K
References:	<Pine DOT HPP DOT 3 DOT 96 DOT 1000511115354 DOT 15891D-100000 AT hp2 DOT xraylith DOT wisc DOT edu>

> There seems to be a problem in mmap I've trying to find for days
> now with no luck. Essentially, ./stage1/xgcc is hanging when
> garbage collecting (compiling fold-const.c), and the only solution
> for now is to configure with --with-gc=simple which works but
> really slows down compilation.

Saw that myself, except mine crashed all the time instead of hanging.
It might be the new /dev/zero code, too.

Note that the djgpp crew has already submitted patches to speed up
ggc-simple.c and/or allow more widespread use of ggc-page (all I know
is that they solved the "problem" for djgpp).

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