From 0c8c800f21e00c7db39084e6b8087706a816fba7 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sat, 15 Feb 2020 15:42:13 +0100
Subject: [PATCH] Tighter type bounds for messages

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
---
 src/librustc_mir/transform/const_prop.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_mir/transform/const_prop.rs b/src/librustc_mir/transform/const_prop.rs
index 05e70ed217a5..eec4bbc720d5 100644
--- a/src/librustc_mir/transform/const_prop.rs
+++ b/src/librustc_mir/transform/const_prop.rs
@@ -504,7 +504,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
         &self,
         lint: &'static lint::Lint,
         source_info: SourceInfo,
-        message: &str,
+        message: &'static str,
         panic: AssertKind<u64>,
     ) -> Option<()> {
         let lint_root = self.lint_root(source_info)?;