From 14178efa5dd48968c951b3266c6a9bebcd914884 Mon Sep 17 00:00:00 2001
From: Oliver Scherer <github35764891676564198441@oli-obk.de>
Date: Mon, 22 Apr 2019 13:29:23 +0200
Subject: [PATCH] Symbol name predicate list printed `+` excessively

---
 src/librustc_codegen_utils/symbol_names.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_codegen_utils/symbol_names.rs b/src/librustc_codegen_utils/symbol_names.rs
index 211d725e39d57..4a5d356096eec 100644
--- a/src/librustc_codegen_utils/symbol_names.rs
+++ b/src/librustc_codegen_utils/symbol_names.rs
@@ -427,7 +427,7 @@ impl Printer<'tcx, 'tcx> for SymbolPrinter<'_, 'tcx> {
         mut self,
         predicates: &'tcx ty::List<ty::ExistentialPredicate<'tcx>>,
     ) -> Result<Self::DynExistential, Self::Error> {
-        let mut first = false;
+        let mut first = true;
         for p in predicates {
             if !first {
                 write!(self, "+")?;