filter out trailing effect param in own_args_no_defaults

2023-12-10 10:17:00 +00:00 · 2023-12-10 10:17:00 +00:00 · 2f457d9d60
commit 2f457d9d60
parent e03c18b1b3
1 changed files with 2 additions and 0 deletions
--- a/compiler/rustc_middle/src/ty/generics.rs
+++ b/compiler/rustc_middle/src/ty/generics.rs
@ -342,6 +342,8 @@ impl<'tcx> Generics {
                param.default_value(tcx).is_some_and(|default| {
                    default.instantiate(tcx, args) == args[param.index as usize]
                })
+                // filter out trailing effect params
+                || matches!(param.kind, GenericParamDefKind::Const { is_host_effect: true, .. })
            })
            .count();
        own_params.end -= num_default_params;