https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95485
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |egallager at gcc dot gnu.org
--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
-Wpedantic catches it:
$ /usr/local/bin/gcc -c -O2 -S -Wall -Wextra -pedantic
-fdump-tree-optimized=/dev/stdout 95485.c
95485.c: In function 'f':
95485.c:6:20: warning: ISO C forbids passing argument 1 of '__builtin_memset'
between function pointer and 'void *' [-Wpedantic]
6 | __builtin_memset (p, 0, 32); // zero out -- whoops! -- writing to a
function
| ^
95485.c:6:20: note: expected 'void *' but argument is of type 'void * (*)(int)'
;; Function f (f, funcdef_no=0, decl_uid=1910, cgraph_uid=1, symbol_order=0)
f (void * (*<T318>) (int) p)
{
void * q;
<bb 2> [local count: 1073741824]:
q_4 = p_2(D) (32);
__builtin_memset (p_2(D), 0, 32);
return q_4;
}
$
