librustc: Make a context including the method map in check_alt, in preparation for moving check_legality_of_move_bindings there. rs=refactoring

Author: pcwalton

src/librustc/driver/driver.rs

@@ -249,7 +249,7 @@ fn compile_upto(sess: Session, cfg: ast::crate_cfg,
              middle::check_loop::check_crate(ty_cx, crate));
 
         time(time_passes, ~"alt checking", ||
-             middle::check_alt::check_crate(ty_cx, crate));
+             middle::check_alt::check_crate(ty_cx, method_map, crate));
 
         time(time_passes, ~"mode computation", ||
              middle::mode::compute_modes(ty_cx, method_map, crate));