span: add a "future" edition

It's hard to implement edition migrations without having a perma-unstable "future" edition to target.
2025-02-12 05:41:02 +00:00 · 2025-02-12 05:41:02 +00:00 · d6bb98e757
commit d6bb98e757
parent ad27045c31
5 changed files with 67 additions and 2 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -1711,6 +1711,7 @@ symbols! {
        rust_cold_cc,
        rust_eh_catch_typeinfo,
        rust_eh_personality,
+        rust_future,
        rust_logo,
        rust_out,
        rustc,