1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
index dcad1518e..113ca2fc5 100644
--- a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
+++ b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
@@ -37,7 +37,7 @@ impl<'tcx> MirPass<'tcx> for SimplifyComparisonIntegral {
         let opts = helper.find_optimizations();
         let mut storage_deads_to_insert = vec![];
         let mut storage_deads_to_remove: Vec<(usize, BasicBlock)> = vec![];
-        let param_env = tcx.param_env(body.source.def_id());
+        let param_env = tcx.param_env_reveal_all_normalized(body.source.def_id());
         for opt in opts {
             trace!("SUCCESS: Applying {:?}", opt);
             // replace terminator with a switchInt that switches on the integer directly