[Bug target/65753] [i386] Incorrect tail call inhibition logic on i386 (32-bit)

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65753

--- Comment #2 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
For a simpler testcase:

void g(void (*f)(void))
{
  f();
}

gcc/cc1 -fPIC -O2 -m32:

g:
    subl    $12, %esp
    call    *16(%esp)
    addl    $12, %esp
    ret

Here %ebx does not come into play at all.