https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103267
--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
jan@localhost:~> gcc t.c
t.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
2 | infinite (int p)
| ^~~~~~~~
t.c:16:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
16 | test2(int *a)
| ^~~~~
t.c:20:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
20 | main()
| ^~~~
jan@localhost:~> ./a.out
...loops infinitely....
jan@localhost:~> gcc t.c -O2
t.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
2 | infinite (int p)
| ^~~~~~~~
t.c:16:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
16 | test2(int *a)
| ^~~~~
t.c:20:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
20 | main()
| ^~~~
jan@localhost:~> ./a.out
Segmentation fault (core dumped)
