Stabilize Literal::byte_character

Author: slanterns

library/proc_macro/src/lib.rs

@@ -1360,7 +1360,7 @@ impl Literal {
     }
 
     /// Byte character literal.
-    #[unstable(feature = "proc_macro_byte_character", issue = "115268")]
+    #[stable(feature = "proc_macro_byte_character", since = "CURRENT_RUSTC_VERSION")]
     pub fn byte_character(byte: u8) -> Literal {
         let string = [byte].escape_ascii().to_string();
         Literal::new(bridge::LitKind::Byte, &string, None)

tests/ui/feature-gates/feature-gate-proc_macro_byte_character.rs

@@ -5,7 +5,6 @@
 #![crate_type = "proc-macro"]
 #![crate_name = "proc_macro_api_tests"]
 #![feature(proc_macro_span)]
-#![feature(proc_macro_byte_character)]
 #![feature(proc_macro_c_str_literals)]
 #![deny(dead_code)] // catch if a test function is never called