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authorMazdak Farrokhzad <twingoow@gmail.com>2019-11-13 12:05:37 +0100
committerMazdak Farrokhzad <twingoow@gmail.com>2019-11-13 12:05:37 +0100
commitdcd91d5ceb1990a48c985e01cbe6fca7e274f016 (patch)
treed34462f679451f7767dc9df83ddfaf61fdda6ef8 /src/librustc_parse/parser
parent374ad1b0063963060a00a3110e44d76e7105d059 (diff)
downloadrust-dcd91d5ceb1990a48c985e01cbe6fca7e274f016.tar.gz
rust-dcd91d5ceb1990a48c985e01cbe6fca7e274f016.zip
parser: don't use `unreachable!()` in `fn unexpected`.
Diffstat (limited to 'src/librustc_parse/parser')
-rw-r--r--src/librustc_parse/parser/mod.rs4
1 files changed, 3 insertions, 1 deletions
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(),
         }
     }