Don't attempt concrete eval if there's no information to be gained

If the effects are already maximized and the rt is already Const,
there is nothing concrete evaluation could possibly tell us
that we don't already know - just bail early in that case to
save some inference time.

Author: Keno

base/compiler/abstractinterpretation.jl

@@ -880,6 +880,12 @@ function abstract_call_method_with_const_args(interp::AbstractInterpreter, resul
     if !const_prop_enabled(interp, sv, match)
         return nothing
     end
+    if is_total(result.effects)
+        if isa(result.rt, Const) || call_result_unused(sv)
+            # There is no more information to be gained here. Bail out early.
+            return nothing
+        end
+    end
     res = concrete_eval_call(interp, f, result, arginfo, sv)
     if isa(res, ConstCallResults)
         add_backedge!(res.const_result.mi, sv, invoketypes)