Move box from the stable keyword to unstable keywords list

Fixes #60849
rust-lang · May 15, 2019 · 65d09ea · 65d09ea
1 parent f2951e6
commit 65d09ea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libsyntax_pos/symbol.rs b/src/libsyntax_pos/symbol.rs
@@ -30,7 +30,6 @@ symbols! {
 
         // Keywords that are used in stable Rust.
         As:                 "as",
-        Box:                "box",
         Break:              "break",
         Const:              "const",
         Continue:           "continue",
@@ -69,6 +68,7 @@ symbols! {
         // Keywords that are used in unstable Rust or reserved for future use.
         Abstract:           "abstract",
         Become:             "become",
+        Box:                "box",
         Do:                 "do",
         Final:              "final",
         Macro:              "macro",