From 0d596f29d9cf105833db5dc5cca1eccade08ce4e Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Fri, 2 Nov 2018 11:24:36 +0100
Subject: [PATCH] FIXME

---
 src/librustc_mir/interpret/visitor.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_mir/interpret/visitor.rs b/src/librustc_mir/interpret/visitor.rs
index 80c7e075bd7..12455e95727 100644
--- a/src/librustc_mir/interpret/visitor.rs
+++ b/src/librustc_mir/interpret/visitor.rs
@@ -317,7 +317,7 @@ pub trait ValueVisitor<'a, 'mir, 'tcx: 'mir+'a, M: Machine<'a, 'mir, 'tcx>>: Siz
                 self.visit_union(v)?;
             },
             layout::FieldPlacement::Arbitrary { ref offsets, .. } => {
-                // We collect in a vec because otherwise there are lifetime errors:
+                // FIXME: We collect in a vec because otherwise there are lifetime errors:
                 // Projecting to a field needs (mutable!) access to `ecx`.
                 let fields: Vec<EvalResult<'tcx, Self::V>> =
                     (0..offsets.len()).map(|i| {