From: John Carr <jfc@mit.edu>
To: Richard Henderson <rth@cygnus.com>
Cc: egcs@cygnus.com
Subject: Re: rtl slot lies
Date: Sat, 09 May 1998 05:27:00 -0000 [thread overview]
Message-ID: <199805091227.IAA24789@jfc.> (raw)
In-Reply-To: <19980508135900.45179@dot.cygnus.com>
> While working on a garbage collector, I discovered that the
> INLINE_HEADER rtl was lying about the types of some of its slots.
>
> The following patch corrects this, and gets rid of wome ugly casts.
The rtl.h patch adds more ugly casts and is worse than the original code.
That kind of pointer cast is never valid C, unlike direct pointer casts
which can be valid depending on alignment. If you want to store odd types
in, add a new generic pointer member (char/void *) and format code.
prev parent reply other threads:[~1998-05-09 5:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-05-08 19:52 Richard Henderson
1998-05-09 5:27 ` John Carr [this message]
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