group has_nonlocal_binding with global and add a comment

Author: ntBre

crates/ty_python_semantic/src/semantic_index/builder.rs

@@ -2697,6 +2697,12 @@ impl SemanticSyntaxContext for SemanticIndexBuilder<'_, '_> {
         None
     }
 
+    // We handle the one syntax error that relies on this method (`NonlocalWithoutBinding`) directly
+    // in `infer_nonlocal_statement`, so this just returns `true`.
+    fn has_nonlocal_binding(&self, _name: &str) -> bool {
+        true
+    }
+
     fn in_async_context(&self) -> bool {
         for scope_info in self.scope_stack.iter().rev() {
             let scope = &self.scopes[scope_info.file_scope_id];
@@ -2776,10 +2782,6 @@ impl SemanticSyntaxContext for SemanticIndexBuilder<'_, '_> {
         )
     }
 
-    fn has_nonlocal_binding(&self, _name: &str) -> bool {
-        true
-    }
-
     fn in_notebook(&self) -> bool {
         self.source_text().is_notebook()
     }