From d6f1787447e1132d929efbb5b772be232e336c23 Mon Sep 17 00:00:00 2001 From: Camelid Date: Thu, 17 Dec 2020 13:51:20 -0800 Subject: Don't allow `const` to begin a nonterminal Thanks to Vadim Petrochenkov who [told me what the fix was][z]! [z]: https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/finding.20which.20macro.20rule.20to.20use/near/220240422 --- compiler/rustc_parse/src/parser/nonterminal.rs | 2 ++ 1 file changed, 2 insertions(+) (limited to 'compiler/rustc_parse/src/parser') diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index c007f96a798..76ad5acd530 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -27,6 +27,8 @@ impl<'a> Parser<'a> { token.can_begin_expr() // This exception is here for backwards compatibility. && !token.is_keyword(kw::Let) + // This exception is here for backwards compatibility. + && !token.is_keyword(kw::Const) } NonterminalKind::Ty => token.can_begin_type(), NonterminalKind::Ident => get_macro_ident(token).is_some(), -- cgit 1.4.1-3-g733a5