[gcc r12-3793] [Ada] Change message format on missing return

[Pierre-Marie de Rodat]

https://gcc.gnu.org/g:ab857d1a3b4b726262c4c9d31c22d214a3ffee53

commit r12-3793-gab857d1a3b4b726262c4c9d31c22d214a3ffee53
Author: Arnaud Charlet <charlet@adacore.com>
Date:   Mon Jul 12 05:33:26 2021 -0400

    [Ada] Change message format on missing return
    
    gcc/ada/
    
            * sem_ch6.adb (Check_Returns): Change message on missing return.

Diff:
---
 gcc/ada/sem_ch6.adb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/ada/sem_ch6.adb b/gcc/ada/sem_ch6.adb
index 304dc194243..f885d306b02 100644
--- a/gcc/ada/sem_ch6.adb
+++ b/gcc/ada/sem_ch6.adb
@@ -7760,7 +7760,7 @@ package body Sem_Ch6 is
                  ("RETURN statement missing following this statement<<!",
                   Last_Stm);
                Error_Msg_N
-                 ("\Program_Error ]<<!", Last_Stm);
+                 ("\Program_Error [<<!", Last_Stm);
             end if;
 
             --  Note: we set Err even though we have not issued a warning