gcc-4.9/gcc/testsuite/gcc.dg/vla-15.c


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/* Test for VLA size evaluation in sizeof typeof.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do run } */
/* { dg-options "-std=gnu99" } */

#include <stdarg.h>

extern void exit (int);
extern void abort (void);

char a[1];

void
f1 (void)
{
  int i = 0;
  int j = sizeof (typeof (*(++i, (char (*)[i])a)));
  if (i != 1 || j != 1)
    abort ();
}

int
main (void)
{
  f1 ();
  exit (0);
}