https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121112
--- Comment #2 from Anonymous <njuwy at smail dot nju.edu.cn> ---
(In reply to Anonymous from comment #0)
> gcc version:
> gcc version 16.0.0 20250704 (experimental) (GCC)
>
> src:
> #include <stdio.h>
> static void bar_impl(void) { puts("bar_impl called."); }
> static void *bar_ifunc(void) { return &bar_impl; }
> extern void bar(void) __attribute__((ifunc("bar_ifunc")));
> extern __typeof(bar) bar_alias __attribute__((alias("bar")));
> int main() {
> bar();
> bar_alias();
> return 0;
> }
>
> godbolt URL：
> https://godbolt.org/z/1Ydqn39jo
>
> issue:
> "bar_impl called." was output twice under -O0 -O1, while only once under -Os
> -O2 and -O3. Is this a bug?
sorry the right RUL is:
https://godbolt.org/z/TdWTdh9vG
