From d15d743fa87efa9d496447eac1ebd402c5dab0b3 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Fri, 7 Aug 2015 10:48:13 -0400
Subject: [PATCH] Add FIXME for apparent stage0 regression

---
 src/librustc/middle/expr_use_visitor.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/librustc/middle/expr_use_visitor.rs b/src/librustc/middle/expr_use_visitor.rs
index a97fe84e6ace..4e09f9a86329 100644
--- a/src/librustc/middle/expr_use_visitor.rs
+++ b/src/librustc/middle/expr_use_visitor.rs
@@ -273,7 +273,9 @@ enum PassArgs {
 impl<'d,'t,'a,'tcx> ExprUseVisitor<'d,'t,'a,'tcx> {
     pub fn new(delegate: &'d mut Delegate<'tcx>,
                typer: &'t infer::InferCtxt<'a, 'tcx>)
-               -> ExprUseVisitor<'d,'t,'a, 'tcx> {
+               -> ExprUseVisitor<'d,'t,'a,'tcx>
+        where 'tcx: 't // FIXME(#27583) workaround apparent stage0 bug
+    {
         ExprUseVisitor {
             typer: typer,
             mc: mc::MemCategorizationContext::new(typer),