gcc/testsuite/gcc.dg/torture/pr54327.c

/* { dg-do compile } */

#include <string.h>
#include <stdlib.h>
void treathead ()
{
  char *a = ';' == '\0' ? : 0;
  if (*a == '=')
    {
      while (*a == (*a == 0) || *a == '\'')
	a++;
      if (strlen (a) < 2)
	abort ();
    }
}