PR c++/49118
	* typeck2.c (build_x_arrow): Push fake template context
	to produce diagnostic on acyclic endless operator-> drill-down.
	* call.c (build_new_op): Change Boolean overload status
	value to a pointer to the overload function.
	* cp-tree.h: Likewise.
	* typeck.c: Likewise.
	* parser.c: Likewise.
	* decl2.c: Likewise.
	* pt.c: Likewise.

From-SVN: r174889