re PR libstdc++/43622 (Incomplete C++ library support for __float128)

re PR libstdc++/43622 (Incomplete C++ library support for __float128)

2014-04-22  Marc Glisse  <marc.glisse@inria.fr>

	PR libstdc++/43622
gcc/c-family/
	* c-common.c (registered_builtin_types): Make non-static.
	* c-common.h (registered_builtin_types): Declare.
gcc/cp/
	* rtti.c (emit_support_tinfo_1): New function, extracted from
	emit_support_tinfos.
	(emit_support_tinfos): Call it and iterate on registered_builtin_types.
libstdc++-v3/
	* config/abi/pre/gnu.ver (CXXABI_1.3.9): New version, new symbols.
	* config/abi/pre/gnu-versioned-namespace.ver: New symbols.
	* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Likewise.

From-SVN: r209652