* cp-tree.h (DECL_ANTICIPATED): New macro.
	Document new use of DECL_LANG_FLAG_7.
	* decl.c (builtin_function): Set DECL_ANTICIPATED on builtins
	in the user namespace.
	* lex.c (do_identifier): If the identifier's declaration has
	DECL_ANTICIPATED on, it has not yet been declared.  But do not
	replace it with an ordinary implicit declaration.

	* tinfo2.cc: Include stdlib.h.

From-SVN: r34267