rt_gccstream/gcc/testsuite/gcc.dg/vla-12.c

51 lines
978 B
C

/* Test for typeof evaluation: should be at the appropriate point in
the containing expression rather than just adding a statement. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do run } */
/* { dg-options "-std=gnu99" } */
extern void exit (int);
extern void abort (void);
void *p;
void
f1 (void)
{
int i = 0, j = -1, k = -1;
/* typeof applied to expression with cast. */
(j = ++i), (void)(typeof ((int (*)[(k = ++i)])p))p;
if (j != 1 || k != 2 || i != 2)
abort ();
}
void
f2 (void)
{
int i = 0, j = -1, k = -1;
/* typeof applied to type. */
(j = ++i), (void)(typeof (int (*)[(k = ++i)]))p;
if (j != 1 || k != 2 || i != 2)
abort ();
}
void
f3 (void)
{
int i = 0, j = -1, k = -1;
void *q;
/* typeof applied to expression with cast that is used. */
(j = ++i), (void)((typeof (1 + (int (*)[(k = ++i)])p))p);
if (j != 1 || k != 2 || i != 2)
abort ();
}
int
main (void)
{
f1 ();
f2 ();
f3 ();
exit (0);
}