[Bug libstdc++/11706] std::pow(T, int) implementation pessimizes code

[Gabriel Dos Reis]

"rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla@gcc.gnu.org> writes:

| It is - see line 556 in <cmath> which unconditionally uses ::pow. The

It is a bug, feel free to submit a due PR :-)

| problem are just the integer overloads of pow, as if using the regular
| float ones we optimize according to the gcc builtins added by Roger.
| 
| So we can f.i. just drop the integer overloads of std::pow.

No, we should not.

-- Gaby