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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-4025] [Ada] Add missing guard before call to Interface_Present_In_Ancestor
Date: Fri,  1 Oct 2021 06:16:13 +0000 (GMT)	[thread overview]
Message-ID: <20211001061613.77B263857C52@sourceware.org> (raw)

https://gcc.gnu.org/g:3a81dbb618e3ac6cd42ac6f296a96296e099ac1f

commit r12-4025-g3a81dbb618e3ac6cd42ac6f296a96296e099ac1f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Thu Aug 12 18:12:40 2021 +0200

    [Ada] Add missing guard before call to Interface_Present_In_Ancestor
    
    gcc/ada/
    
            * sem_type.adb (Specific_Type): Check that the type is tagged
            before calling Interface_Present_In_Ancestor on it.

Diff:
---
 gcc/ada/sem_type.adb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/ada/sem_type.adb b/gcc/ada/sem_type.adb
index 3ca2e302a8e..8e5b067bb76 100644
--- a/gcc/ada/sem_type.adb
+++ b/gcc/ada/sem_type.adb
@@ -3424,7 +3424,8 @@ package body Sem_Type is
       --  Ada 2005 (AI-251): T1 is a concrete type that implements the
       --  class-wide interface T2
 
-      elsif Is_Class_Wide_Type (T2)
+      elsif Is_Tagged_Type (T1)
+        and then Is_Class_Wide_Type (T2)
         and then Is_Interface (Etype (T2))
         and then Interface_Present_In_Ancestor (Typ   => T1,
                                                 Iface => Etype (T2))


                 reply	other threads:[~2021-10-01  6:16 UTC|newest]

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