Make `unexpected` always "return" `PResult<()>` & add `unexpected_any`

This prevents breakage when `?` no longer skews inference.

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs
index eb9a10f4bda..d08c50b5b06 100644
--- a/compiler/rustc_parse/src/parser/attr.rs
+++ b/compiler/rustc_parse/src/parser/attr.rs
@@ -380,12 +380,12 @@ impl<'a> Parser<'a> {
         };
 
         if let Some(item) = nt_meta {
-            return match item.meta(item.path.span) {
+            match item.meta(item.path.span) {
                 Some(meta) => {
                     self.bump();
-                    Ok(meta)
+                    return Ok(meta);
                 }
-                None => self.unexpected(),
+                None => self.unexpected()?,
             };
         }