fix: support raw prefix identifiers in statics

Author: calebcartwright

src/items.rs

@@ -1722,7 +1722,7 @@ fn rewrite_static(
         static_parts.defaultness.map_or("", format_defaultness),
         static_parts.prefix,
         format_mutability(static_parts.mutability),
-        static_parts.ident,
+        rewrite_ident(context, static_parts.ident),
         colon,
     );
     // 2 = " =".len()

tests/target/raw_identifiers.rs

@@ -6,6 +6,9 @@
 
 use r#foo as r#alias_foo;
 
+// https://github.com/rust-lang/rustfmt/issues/3837
+pub(crate) static r#break: &'static str = "foo";
+
 fn main() {
     #[r#attr]
     r#foo::r#bar();