type_traits (is_polymorphic): Don't forget the virtual destructor, thus avoiding...

type_traits (is_polymorphic): Don't forget the virtual destructor, thus avoiding warnings.

2005-03-07  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/type_traits (is_polymorphic): Don't forget
	the virtual destructor, thus avoiding warnings.
	* testsuite/testsuite_tr1.h (class AbstractClass,
	class PolymorphicClass): Likewise.

2005-03-07  Paolo Carlini  <pcarlini@suse.de>

	* include/std/std_complex.h (pow(const complex<_Tp>&,
	const complex<_Tp>&)): Dispatch to either __complex_pow(__x.__rep(),
	__y.__rep()) or __complex_pow(__x, __y) depending on the macro
	_GLIBCXX_USE_C99_COMPLEX.

From-SVN: r96048