Merge pull request #67651 from xedin/use-all-members-in-gen-class

[IRGen] Use `getAllMembers` instead of `getMembers`

Author: xedin

lib/IRGen/GenClass.cpp

@@ -1259,7 +1259,8 @@ namespace {
 
       visitConformances(theExtension);
 
-      for (Decl *member : TheExtension->getImplementationContext()->getMembers())
+      for (Decl *member :
+           TheExtension->getImplementationContext()->getAllMembers())
         visit(member);
     }