Auto merge of #50911 - petrochenkov:macuse, r=alexcrichton

Stabilize `use_extern_macros`

Closes https://github.com/rust-lang/rust/issues/35896

1 files changed, 2 insertions, 10 deletions

diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index f7ea781e021..90b46268045 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1124,9 +1124,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> {
                 return attrs;
             }
 
-            if self.cx.ecfg.use_extern_macros_enabled() {
-                attr = find_attr_invoc(&mut attrs);
-            }
+            attr = find_attr_invoc(&mut attrs);
             traits = collect_derives(&mut self.cx, &mut attrs);
             attrs
         });
@@ -1147,9 +1145,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> {
                 return attrs;
             }
 
-            if self.cx.ecfg.use_extern_macros_enabled() {
-                attr = find_attr_invoc(&mut attrs);
-            }
+            attr = find_attr_invoc(&mut attrs);
             attrs
         });
 
@@ -1667,10 +1663,6 @@ impl<'feat> ExpansionConfig<'feat> {
         fn proc_macro_expr = proc_macro_expr,
         fn proc_macro_non_items = proc_macro_non_items,
     }
-
-    pub fn use_extern_macros_enabled(&self) -> bool {
-        self.features.map_or(false, |features| features.use_extern_macros())
-    }
 }
 
 // A Marker adds the given mark to the syntax context.