gcc/testsuite/gcc.dg/Walloca-14.c

   1 /* PR tree-optimization/80109 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target alloca } */
   4 /* { dg-options "-O2 -Walloca-larger-than=126812070" } */
   5
   6 void
   7 g (int *p)
   8 {
   9   extern void f (void *);
  10
  11   void *q = __builtin_alloca (p); /* { dg-warning "passing argument 1" } */
  12   /* { dg-warning "unbounded use of 'alloca'" "unbounded" { target *-*-* } .-1 } */
  13   f (q);
  14 }