gcc/testsuite/gcc.dg/Walloca-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Walloca-larger-than=5000 -O2" } */
   3
   4 extern void useit(char *);
   5
   6 int
   7 foobar (unsigned short length)
   8 {
   9   char *pbuf;
  10   __SIZE_TYPE__ size = (__SIZE_TYPE__) length;
  11
  12   if (size < 4032)
  13     pbuf = (char *) __builtin_alloca(size);
  14   else
  15     pbuf = (char *) __builtin_malloc (size);
  16
  17   useit(pbuf);
  18   return 0;
  19 }