[gcc r14-1759] ada: Fix wrong expansion of limited extension aggregate

[Marc Poulhi?s <dkm@gcc.gnu.org>]

https://gcc.gnu.org/g:ae3fd5e8a75bf7cf18a98b0d0545ade976c1ec05

commit r14-1759-gae3fd5e8a75bf7cf18a98b0d0545ade976c1ec05
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Fri Apr 21 18:30:48 2023 +0200

    ada: Fix wrong expansion of limited extension aggregate
    
    This happens when the ancestor part is itself an aggregate: in this case,
    the tag of the extension aggregate is wrongly set to that of the ancestor.
    
    gcc/ada/
    
            * exp_aggr.adb (Build_Record_Aggr_Code): In the case of an extension
            aggregate of a limited type whose ancestor part is an aggregate, do
            not skip the final code assigning the tag of the extension.

Diff:
---
 gcc/ada/exp_aggr.adb | 2 --
 1 file changed, 2 deletions(-)

diff --git a/gcc/ada/exp_aggr.adb b/gcc/ada/exp_aggr.adb
index c145d79f482..15230571123 100644
--- a/gcc/ada/exp_aggr.adb
+++ b/gcc/ada/exp_aggr.adb
@@ -3039,8 +3039,6 @@ package body Exp_Aggr is
               and then Nkind (Unqualify (Ancestor)) in
                          N_Aggregate | N_Extension_Aggregate
             then
-               Ancestor_Is_Expression := True;
-
                --  Set up finalization data for enclosing record, because
                --  controlled subcomponents of the ancestor part will be
                --  attached to it.