| /* { dg-do compile } */ |
| /* { dg-require-effective-target alloca } */ |
| /* { dg-options "-Walloca-larger-than=2000 -O2" } */ |
| |
| void f (void *); |
| |
| void |
| g1 (int n) |
| { |
| void *p; |
| if (n > 0 && n < 2000) |
| p = __builtin_alloca (n); // { dg-bogus "unbounded use of 'alloca'" "" } |
| else |
| p = __builtin_malloc (n); |
| f (p); |
| } |
| |
| void |
| g2 (int n) |
| { |
| void *p; |
| if (n < 2000) |
| p = __builtin_alloca (n); // { dg-warning "may be too large" } |
| else |
| p = __builtin_malloc (n); |
| f (p); |
| } |
| |
| void |
| g3 (int n) |
| { |
| void *p; |
| if (n > 0 && n < 3000) |
| { |
| p = __builtin_alloca (n); // { dg-warning "may be too large" } |
| } |
| else |
| p = __builtin_malloc (n); |
| f (p); |
| } |