Fix handling of attributes in default_fn!

Author: Amanieu

src/macros.rs

@@ -57,8 +57,8 @@ macro_rules! cfg_if {
 // default fn syntax for specialization changes in the future.
 #[cfg(feature = "nightly")]
 macro_rules! default_fn {
-	($($tt:tt)*) => {
-        default $($tt)*
+	(#[$($a:tt)*] $($tt:tt)*) => {
+        #[$($a)*] default $($tt)*
     }
 }
 #[cfg(not(feature = "nightly"))]

src/raw/mod.rs

@@ -1578,8 +1578,8 @@ trait RawTableClone {
     unsafe fn clone_from_spec(&mut self, source: &Self, on_panic: impl FnMut(&mut Self));
 }
 impl<T: Clone, A: Allocator + Clone> RawTableClone for RawTable<T, A> {
-    #[cfg_attr(feature = "inline-more", inline)]
     default_fn! {
+        #[cfg_attr(feature = "inline-more", inline)]
         unsafe fn clone_from_spec(&mut self, source: &Self, on_panic: impl FnMut(&mut Self)) {
             self.clone_from_impl(source, on_panic);
         }