Add co_qualname attribute in code objects

Python/compile.c

--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1571,8 +1571,8 @@ compiler_function(struct compiler *c, st
         st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, i);
         VISIT_IN_SCOPE(c, stmt, st);
     }
+    qualname = compiler_scope_qualname(c);
     co = assemble(c, 1);
-    qualname = compiler_scope_qualname(c);
     compiler_exit_scope(c);
     if (qualname == NULL || co == NULL) {
         Py_XDECREF(qualname);
@@ -1790,8 +1790,8 @@ compiler_lambda(struct compiler *c, expr
     else {
         ADDOP_IN_SCOPE(c, RETURN_VALUE);
     }
+    qualname = compiler_scope_qualname(c);
     co = assemble(c, 1);
-    qualname = compiler_scope_qualname(c);
     compiler_exit_scope(c);
     if (qualname == NULL || co == NULL)
         return 0;
@@ -3051,8 +3051,8 @@ compiler_comprehension(struct compiler *
         ADDOP(c, RETURN_VALUE);
     }
 
+    qualname = compiler_scope_qualname(c);
     co = assemble(c, 1);
-    qualname = compiler_scope_qualname(c);
     compiler_exit_scope(c);
     if (qualname == NULL || co == NULL)
         goto error;
@@ -4113,7 +4113,7 @@ makecode(struct compiler *c, struct asse
                     freevars, cellvars,
                     c->c_filename_obj, c->u->u_name,
                     c->u->u_firstlineno,
-                    a->a_lnotab);
+                    a->a_lnotab, c->u->u_qualname);
  error:
     Py_XDECREF(consts);
     Py_XDECREF(names);