re PR libstdc++/42019 (shared_ptr can not be used with -fno-rtti)

2009-11-20  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/42019
	* include/tr1/shared_ptr.h: Only use typeid when RTTI is enabled.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/misc/42019.cc: New.
	* testsuite/20_util/shared_ptr/misc/42019.cc: New.

From-SVN: r154377