Add a comment

src/librustc_codegen_llvm/builder.rs

@@ -1472,6 +1472,7 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
 
 impl StaticBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> {
     fn get_static(&self, def_id: DefId) -> &'ll Value {
+        // Forward to the `get_static` method of `CodegenCx`
         self.cx().get_static(def_id)
     }
 }