Rely on regular "expected"/"found" parser error for `fn`

2 files changed, 5 insertions, 12 deletions

diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
index 1ea01d95a13..6e4ae960b64 100644
--- a/compiler/rustc_parse/src/parser/diagnostics.rs
+++ b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -1550,14 +1550,6 @@ impl<'a> Parser<'a> {
         }
     }
 
-    pub(super) fn expected_semi_or_open_brace<T>(&mut self) -> PResult<'a, T> {
-        let token_str = super::token_descr(&self.token);
-        let msg = &format!("expected `;` or `{{`, found {}", token_str);
-        let mut err = self.struct_span_err(self.token.span, msg);
-        err.span_label(self.token.span, "expected `;` or `{`");
-        Err(err)
-    }
-
     pub(super) fn eat_incorrect_doc_comment_for_param_type(&mut self) {
         if let token::DocComment(..) = self.token.kind {
             self.struct_span_err(
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index 4ad259715bd..2b143cd7696 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -1551,10 +1551,9 @@ impl<'a> Parser<'a> {
         attrs: &mut Vec<Attribute>,
         sig_hi: &mut Span,
     ) -> PResult<'a, Option<P<Block>>> {
-        let (inner_attrs, body) = if self.check(&token::Semi) {
+        let (inner_attrs, body) = if self.eat(&token::Semi) {
             // Include the trailing semicolon in the span of the signature
-            *sig_hi = self.token.span;
-            self.bump(); // `;`
+            *sig_hi = self.prev_token.span;
             (Vec::new(), None)
         } else if self.check(&token::OpenDelim(token::Brace)) || self.token.is_whole_block() {
             self.parse_inner_attrs_and_block().map(|(attrs, body)| (attrs, Some(body)))?
@@ -1574,7 +1573,9 @@ impl<'a> Parser<'a> {
                 .emit();
             (Vec::new(), Some(self.mk_block_err(span)))
         } else {
-            return self.expected_semi_or_open_brace();
+            return self
+                .expected_one_of_not_found(&[], &[token::Semi, token::OpenDelim(token::Brace)])
+                .map(|_| None);
         };
         attrs.extend(inner_attrs);
         Ok(body)