lto-test.c

#include <stdio.h>


__attribute__((used))
int bar() {
        printf("bar\n");
        return 42;
}

__attribute__((noinline,naked))
int foo() {
        asm("b bar\n");

        // The following can be uncommented, resulting in invalid code.
        //__builtin_unreachable();
}

int main() {
        int n = foo();
        printf("the number is: %d\n", n);
}