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Re: gcc's catching more "errors" now...
From: |
Bruce Korb |
Subject: |
Re: gcc's catching more "errors" now... |
Date: |
Fri, 09 May 2003 09:20:16 -0700 |
Rob Browning wrote:
>
> I tried configuring with CC=gcc-3.3, and we get:
>
> gcc-3.3 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I.. -I../libguile-ltdl -g -O2
> -Werror -Wall -Wmissing-prototypes -MT eval.lo -MD -MP -MF .deps/eval.Tpo -c
> eval.c -fPIC -DPIC -o .libs/eval.lo
> eval.c: In function `scm_ceval':
> eval.c:1966: warning: dereferencing type-punned pointer will break
> strict-aliasing rules
> In file included from eval.c:4591:
> eval.c: In function `scm_deval':
> eval.c:1966: warning: dereferencing type-punned pointer will break
> strict-aliasing rules
>
> which is complaining about this:
>
> if (scm_stack_checking_enabled_p
> && SCM_STACK_OVERFLOW_P ((SCM_STACKITEM *) &proc))
> {
void* p_proc = &proc;
> if (scm_stack_checking_enabled_p
> && SCM_STACK_OVERFLOW_P ((SCM_STACKITEM *) p_proc))
"void*" may alias anything.