gcc/testsuite/gcc.dg/20101010-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-crossjumping" } */
   3 /* { dg-require-effective-target alloca } */
   4
   5 int bar1 ();
   6 int bar2 ();
   7
   8 int foo (void)
   9 {
  10   int len;
  11   if (bar1 (&len))
  12     {
  13       char devpath [len];
  14       if (bar2 (devpath) == len)
  15         return len;
  16     }
  17   return -1;
  18 }