Rollup merge of rust-lang#107101 - compiler-errors:perf-106309-1, r=petrochenkov

Filter param-env predicates for errors before calling `to_opt_poly_trait_pred`

cc rust-lang#106309 rust-lang#106757 (comment)

r? `@ghost`

Author: JohnTitor

compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs

@@ -174,8 +174,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
             .param_env
             .caller_bounds()
             .iter()
-            .filter_map(|p| p.to_opt_poly_trait_pred())
-            .filter(|p| !p.references_error());
+            .filter(|p| !p.references_error())
+            .filter_map(|p| p.to_opt_poly_trait_pred());
 
         // Micro-optimization: filter out predicates relating to different traits.
         let matching_bounds =