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

   1 /* PR tree-optimization/80109 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target alloca } */
   4 /* { dg-skip-if "small address space" { "pdp11-*-*" } } */
   5 /* { dg-options "-O2 -Walloca-larger-than=126812070" { target ptr32plus }  } */
   6 /* { dg-options "-O2 -Walloca-larger-than=12070" { target { ! ptr32plus } } } */
   7 /* { dg-additional-options "-fpermissive" } */
   8
   9 void
  10 g (int *p)
  11 {
  12   extern void f (void *);
  13
  14   void *q = __builtin_alloca (p); /* { dg-warning "passing argument 1" } */
  15   /* { dg-warning "unbounded use of 'alloca'" "unbounded" { target *-*-* } .-1 } */
  16   f (q);
  17 }