------- Comment #10 from pinskia at gcc dot gnu dot org 2007-08-20 11:55
-------
Here is a new reduced testcase (compile at -O3 -fno-strict-aliasing):
struct rxvt_salloc {
char *firstblock;
unsigned int firstfree;
};
struct line_t {
unsigned int *t;
unsigned int f;
};
struct rxvt_salloc *talloc;
struct line_t *row_buf;
static inline unsigned * alloc (struct rxvt_salloc *this1)
{
void *r;
if (this1->firstfree > 65536)
this1->firstfree = 4;
r = (void *) ((char *)this1->firstblock + this1->firstfree);
return (unsigned *)r;
}
void
scr_reset (int qlines)
{
struct line_t *qline;
int qrow;
for (qrow = 0; qlines--; qrow++)
(qline = row_buf)->t = alloc (talloc);
qline->f &= ~0x0001;
qline->t = alloc (talloc);
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30840
