From faa52d1cdaa8806201d56484df0c45bf550bf565 Mon Sep 17 00:00:00 2001
From: Dylan MacKenzie <ecstaticmorse@gmail.com>
Date: Fri, 13 Dec 2019 10:44:38 -0800
Subject: [PATCH] Correctly mark things as `min_const_fn`

---
 src/librustc_mir/transform/qualify_min_const_fn.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/librustc_mir/transform/qualify_min_const_fn.rs b/src/librustc_mir/transform/qualify_min_const_fn.rs
index 7d0abb5d463b..e2530795749a 100644
--- a/src/librustc_mir/transform/qualify_min_const_fn.rs
+++ b/src/librustc_mir/transform/qualify_min_const_fn.rs
@@ -390,10 +390,12 @@ fn check_terminator(
             cleanup: _,
         } => check_operand(tcx, cond, span, def_id, body),
 
-        TerminatorKind::FalseUnwind { .. } if !tcx.features().const_loop => {
-            Err((span, "loops are not allowed in const fn".into()))
-        },
+        | TerminatorKind::FalseUnwind { .. }
+        if feature_allowed(tcx, def_id, sym::const_loop)
+        => Ok(()),
 
-        TerminatorKind::FalseUnwind { .. } => Ok(()),
+        TerminatorKind::FalseUnwind { .. } => {
+            Err((span, "loops are not allowed in const fn".into()))
+        }
     }
 }