2010-02-25  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/functional_hash.h (__hash_combine): Remove.
	(_Fnv_hash_base<>::hash(const char*, size_t)): Add defaulted
	hash parameter.
	(_Fnv_hash::__hash_combine(const _Tp&, size_t)): Add.
	* include/std/system_error (hash<system_error>): Adjust.
	* src/compatibility-c++0x.cc (hash<system_error>): Likewise.

From-SVN: r157065