re PR libstdc++/42261 (infinite recursion from string(string::size_type(6), string::size_type('f')))

2009-12-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/42261
	* include/bits/basic_string.h (_S_construct_aux(_Integer, _Integer,
	const _Alloc&, __true_type)): Cast the second argument to value_type.
	* include/ext/sso_string_base.h (_M_construct_aux(_Integer, _Integer,
	std::__true_type)): Likewise.
	* include/ext/rc_string_base.h (_S_construct_aux(_Integer, _Integer,
	const _Alloc&, std::__true_type)): Likewise.
	* testsuite/21_strings/basic_string/cons/char/42261.cc: New.
	* testsuite/21_strings/basic_string/cons/wchar_t/42261.cc: Likewise.

From-SVN: r154948