From b8541eb76769798cc34908dc815cc17b6a7a91bc Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Wed, 15 Mar 2023 14:36:10 +0100
Subject: [PATCH] use the correct param env

---
 compiler/rustc_lint/src/for_loops_over_fallibles.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs
index cb7711034ed6..7b58bf03bbea 100644
--- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs
+++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs
@@ -148,8 +148,7 @@ fn suggest_question_mark<'tcx>(
 
     ocx.register_bound(
         cause,
-        // FIXME: using the empty param env is wrong, should use the one from `body_id`.
-        ty::ParamEnv::empty(),
+        cx.param_env,
         // Erase any region vids from the type, which may not be resolved
         infcx.tcx.erase_regions(ty),
         into_iterator_did,