rustc: Add some more debugging to vtable

Author: pcwalton

src/rustc/middle/typeck/check/vtable.rs

@@ -294,8 +294,8 @@ fn connect_trait_tps(fcx: @fn_ctxt, expr: @ast::expr, impl_tys: ~[ty::t],
 }
 
 fn early_resolve_expr(ex: @ast::expr, &&fcx: @fn_ctxt, is_early: bool) {
-    debug!("vtable: early_resolve_expr() ex with id %?: %s",
-           ex.id, expr_to_str(ex, fcx.tcx().sess.intr()));
+    debug!("vtable: early_resolve_expr() ex with id %? (early: %b): %s",
+           ex.id, is_early, expr_to_str(ex, fcx.tcx().sess.intr()));
     let cx = fcx.ccx;
     match ex.node {
       ast::expr_path(*) => {