re PR libstdc++/48760 (std::complex constructor buggy in the face of NaN's)

re PR libstdc++/48760 (std::complex constructor buggy in the face of NaN's)

2011-04-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/48760
	* include/std/complex (complex<float>::complex(float, float),
	complex<double>::complex(double, double),
	complex<long double>::complex(long double, long double)): Use
	list-initialization in C++0x mode, initialize in the body in
	C++03 mode.
	* testsuite/26_numerics/complex/cons/48760.cc: New.
	* testsuite/26_numerics/complex/cons/48760_c++0x.cc: Likewise.

2011-04-28  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/bitset (_Base_bitset(unsigned long long)): Minor
	tweak, remove redundant round braces.

From-SVN: r173065