--- Comment #2 from matz at gcc dot gnu dot org 2007-10-04 09:53 ---
Smaller testcase:
void f (volatile char *p)
{
char c = p[0];
}
This access to the volatile object p[0] must not be optimized away, but:
% ./gcc/cc1 -O1 x.c
% cat x.s
f:
pushl %ebp
movl%esp, %e
--- Comment #1 from marcus at jet dot franken dot de 2007-10-04 09:51
---
Created an attachment (id=14293)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14293&action=view)
virtual.i
gcc -c -O2 virtual.i
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33653
