* gcc's catching more "errors" now...
@ 2003-05-09 16:05 Rob Browning
2003-05-09 16:20 ` Bruce Korb
0 siblings, 1 reply; 2+ messages in thread
From: Rob Browning @ 2003-05-09 16:05 UTC (permalink / raw)
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))
{
--
Rob Browning
rlb @defaultvalue.org, @linuxdevel.com, and @debian.org
Previously @cs.utexas.edu
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: gcc's catching more "errors" now...
2003-05-09 16:05 gcc's catching more "errors" now Rob Browning
@ 2003-05-09 16:20 ` Bruce Korb
0 siblings, 0 replies; 2+ messages in thread
From: Bruce Korb @ 2003-05-09 16:20 UTC (permalink / raw)
Cc: guile-devel
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.
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