From dcd91d5ceb1990a48c985e01cbe6fca7e274f016 Mon Sep 17 00:00:00 2001
From: Mazdak Farrokhzad <twingoow@gmail.com>
Date: Wed, 13 Nov 2019 12:05:37 +0100
Subject: parser: don't use `unreachable!()` in `fn unexpected`.

---
 src/librustc_parse/parser/mod.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/librustc_parse/parser')

diff --git a/src/librustc_parse/parser/mod.rs b/src/librustc_parse/parser/mod.rs
index a491d91e20f..d5d8604be85 100644
--- a/src/librustc_parse/parser/mod.rs
+++ b/src/librustc_parse/parser/mod.rs
@@ -443,7 +443,9 @@ impl<'a> Parser<'a> {
     crate fn unexpected<T>(&mut self) -> PResult<'a, T> {
         match self.expect_one_of(&[], &[]) {
             Err(e) => Err(e),
-            Ok(_) => unreachable!(),
+            // We can get `Ok(true)` from `recover_closing_delimiter`
+            // which is called in `expected_one_of_not_found`.
+            Ok(_) => FatalError.raise(),
         }
     }
 
-- 
cgit 1.4.1-3-g733a5