re PR libstdc++/1773 (__cplusplus defined to 1, should be 199711L)

re PR libstdc++/1773 (__cplusplus defined to 1, should be 199711L)

2011-08-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Marc Glisse  <marc.glisse@normalesup.org>

	PR libstdc++-v3/1773
	* inclhack.def (solaris_cxx_linkage, solaris_getc_strict_stdc)
	(solaris_longjmp_noreturn, solaris_pow_int_overload)
	(solaris_std___filbuf): New fixes.
	* tests/base/iso/math_iso.h, tests/base/iso/setjmp_iso.h,
	tests/base/iso/stdio_iso.h, tests/base/iso/stdlib_iso.h: New tests.
	* tests/base/stdio.h [SOLARIS_STD___FILBUF_CHECK]: New test.

Co-Authored-By: Marc Glisse <marc.glisse@normalesup.org>
From-SVN: r177613