From f98d5406525423fe468dffed195ce1ee1079f9f2 Mon Sep 17 00:00:00 2001
From: Gary Guo <gary@garyguo.net>
Date: Tue, 10 Aug 2021 19:11:15 +0100
Subject: [PATCH] Add a fixme to black_box lowering in cg_clif

Co-authored-by: bjorn3 <bjorn3@users.noreply.github.com>
---
 compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
index 37a1e3dc04f33..1c4d307fc50e1 100644
--- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
@@ -1138,6 +1138,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
         };
 
         black_box, (c a) {
+            // FIXME implement black_box semantics
             ret.write_cvalue(fx, a);
         };
     }