Account for incorrect impl Foo<const N: ty> {} syntax

Fix #84946
2021-05-15 14:56:28 -07:00
parent 311fa1f14d
commit 7190bc3097
9 changed files with 206 additions and 54 deletions
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -1150,7 +1150,7 @@ impl<'a> Parser<'a> {
        }

        let fn_span_lo = self.token.span;
-        let mut segment = self.parse_path_segment(PathStyle::Expr)?;
+        let mut segment = self.parse_path_segment(PathStyle::Expr, None)?;
        self.check_trailing_angle_brackets(&segment, &[&token::OpenDelim(token::Paren)]);
        self.check_turbofish_missing_angle_brackets(&mut segment);