fix unused binding

rust-lang · bors · Jul 15, 2024 · May 9, 2024 · Jul 6, 2024 · Jul 11, 2024
commit b6f518877f910aae9e4a22f2df4fe55ea838cd72
diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -1610,7 +1610,7 @@ impl<'a> Parser<'a> {
  }
 
  self.bump(); // `+`
- let bounds = self.parse_generic_bounds()?;
+ let _bounds = self.parse_generic_bounds()?;
  let sum_span = ty.span.to(self.prev_token.span);
 
  let sub = match &ty.kind {