move required_consts check to general post-mono-check function

compiler/rustc_const_eval/src/const_eval/eval_queries.rs

@@ -212,7 +212,7 @@ pub fn eval_to_const_value_raw_provider<'tcx>(
         key.param_env = key.param_env.with_user_facing();
         match tcx.eval_to_const_value_raw(key) {
             // try again with reveal all as requested
-            Err(ErrorHandled::TooGeneric) => {}
+            Err(ErrorHandled::TooGeneric(_)) => {}
             // deduplicate calls
             other => return other,
         }
@@ -259,7 +259,7 @@ pub fn eval_to_allocation_raw_provider<'tcx>(
         key.param_env = key.param_env.with_user_facing();
         match tcx.eval_to_allocation_raw(key) {
             // try again with reveal all as requested
-            Err(ErrorHandled::TooGeneric) => {}
+            Err(ErrorHandled::TooGeneric(_)) => {}
             // deduplicate calls
             other => return other,
         }