Added feature gate.

2019-10-31 10:52:05 +08:00 · 2019-10-31 10:52:05 +08:00 · 2dc86a6450
commit 2dc86a6450
parent 87dc824248
2 changed files with 5 additions and 0 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -1270,6 +1270,7 @@ symbols! {
        trace_macros,
        track_caller,
        trait_alias,
+        trait_upcasting,
        transmute,
        transparent,
        transparent_enums,