gcc/testsuite/gcc.dg/Walloca-6.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target alloca } */
   3 /* { dg-options "-Walloca-larger-than=256 -O2" } */
   4 /* { dg-xfail-if "Currently broken but Andrew's work should fix this" { *-*-* } } */
   5
   6 void f (void*);
   7 void g (__SIZE_TYPE__ n)
   8 {
   9   // No warning on this case.  Range is easily determinable.
  10   if (n > 0 && n < 256)
  11     f (__builtin_alloca (n));
  12 }