8sa1-gcc/gcc/testsuite/gcc.c-torture/execute/pr17252.c
Diego Novillo 47bb500f21 pr17252.c: Use post-increment to change what 'a' is pointing to.
* gcc.c-torture/execute/pr17252.c: Use post-increment to
	change what 'a' is pointing to.

From-SVN: r87642
2004-09-17 08:22:19 -04:00

22 lines
433 B
C

/* PR 17252. When a char * pointer P takes its own address, storing
into *P changes P itself. */
char *a;
main ()
{
/* Make 'a' point to itself. */
a = (char *)&a;
/* Change what 'a' is pointing to. */
a[0]++;
/* If a's memory tag does not contain 'a' in its alias set, we will
think that this predicate is superfluous and change it to
'if (1)'. */
if (a == (char *)&a)
abort ();
return 0;
}