From 22fd6a6abf1f97b488278cd142cc7fe721beb92a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Tue, 4 Jul 2023 20:37:17 +0200 Subject: [PATCH] Add regression test --- .../edition-2015-2018-lexing.rs | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/ui/rfcs/rfc-3348-c-string-literals/edition-2015-2018-lexing.rs diff --git a/tests/ui/rfcs/rfc-3348-c-string-literals/edition-2015-2018-lexing.rs b/tests/ui/rfcs/rfc-3348-c-string-literals/edition-2015-2018-lexing.rs new file mode 100644 index 00000000000..2a4cd600426 --- /dev/null +++ b/tests/ui/rfcs/rfc-3348-c-string-literals/edition-2015-2018-lexing.rs @@ -0,0 +1,24 @@ +// Regression test for issue #113235. + +// check-pass +// revisions: edition2015 edition2018 +//[edition2015] edition: 2015 +//[edition2018] edition: 2018 + +// Make sure that in pre-2021 editions we continue to parse the snippet +// `c"hello"` as an identifier followed by a (normal) string literal and +// allow the code below to compile. +// Prefixes including `c` as used by C string literals are only reserved +// in edition 2021 and onward. +// +// Consider checking out rust-2021/reserved-prefixes-migration.rs as well. + +macro_rules! parse { + (c $e:expr) => { + $e + }; +} + +fn main() { + let _: &'static str = parse!(c"hello"); +}