[libstdc++, PATCH] PR libstdc++/83140 - assoc_legendre returns negated value when m is odd.

[Ed Smith-Rowland]

> which always causes a failure:
>
> +FAIL: tr1/5_numerical_facilities/special_functions/02_assoc_legendre/check_value.cc (test for excess errors)
>
> Excess errors:
> Undefined                       first referenced
>   symbol                             in file
> main                                /usr/lib/crt1.o
> ld: fatal: symbol referencing errors
>
> +UNRESOLVED: tr1/5_numerical_facilities/special_functions/02_assoc_legendre/chec
> k_value.cc compilation failed to produce executable
>
> Please fix.
>
> 	Rainer
>
Done with 260168.

Ed