From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeffrey A Law <law@cygnus.com>
To: hjl@lucon.org (H.J. Lu)
Cc: jfc@mit.edu (John Carr), egcs@cygnus.com, drepper@cygnus.com (Ulrich Drepper)
Subject: Re: An optimization bug in egcs 1.0.2? 
Date: Mon, 23 Mar 1998 23:47:00 -0000
Message-id: <1164.890723670@hurl.cygnus.com>
References: <m0yHHxm-00058JC@ocean.lucon.org>
X-SW-Source: 1998-03/msg00799.html

  In message < m0yHHxm-00058JC@ocean.lucon.org >you write:
  > > 
  > > 
  > > The code calls memcpy with overlapping objects.  That is undefined in
  > > ANSI C; use memmove instead.  (It also subtracts pointers to void so
  > > the authors presumably didn't care about ANSI C, but the misuse of
  > > memcpy is a real problem.)
  > 
  > It is from the dynamic linker in glibc 2. memcpy is safe there.
  > memcpy is used for optimization.
Is the compiler producing an inline expansion of memcpy?  If so
you'll need to compile with -fno-builtin.


jeff