| /* { dg-do compile } */ | |
| /* { dg-require-effective-target alloca } */ | |
| /* { dg-options "-Walloca -O0" } */ | |
| extern void f(void *); | |
| void foo(void) | |
| { | |
| // Test that strict -Walloca works even without optimization. | |
| f (__builtin_alloca(500)); // { dg-warning "use of 'alloca'" } | |
| } | |
| void bar(void) | |
| { | |
| // Test that we warn on alloca() calls, not just __builtin_alloca calls. | |
| extern void *alloca(__SIZE_TYPE__); | |
| f (alloca (123)); // { dg-warning "use of 'alloca'" } | |
| } |