From b7248d5988ae4a4498fd900482142151e3ddddd2 Mon Sep 17 00:00:00 2001
From: Donato Sciarra <sciarp@gmail.com>
Date: Sun, 7 Oct 2018 00:05:42 +0200
Subject: Fix internal compiler error on malformed match arm pattern. Issue:
 54379

---
 src/libsyntax/parse/parser.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index d653ed819fd..03decd58451 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -3866,6 +3866,9 @@ impl<'a> Parser<'a> {
             // check that a comma comes after every field
             if !ate_comma {
                 let err = self.struct_span_err(self.prev_span, "expected `,`");
+                if let Some(mut delayed) = delayed_err {
+                    delayed.emit();
+                }
                 return Err(err);
             }
             ate_comma = false;
-- 
cgit 1.4.1-3-g733a5