[PATCH] Fix PR11706, use __builtin_powi[lf] for pow(x, int)

[Gabriel Dos Reis]

Richard Guenther <rguenth@tat.physik.uni-tuebingen.de> writes:

| This patch will fix PR11706 once support for __builtin_powi goes in.
| 
| Bootstrapped and tested on x86_64-unknown-linux-gnu.
| 
| Ok for mainline?

No.  

Please lookup the definition of std::pow() before you remove any file.

-- Gaby