/* { 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'" } | |
} |