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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ada/113397] [14 Regression] ICE: SIGSEGV in tree_check
 (tree.h:3611) with -fdump-ada-spec-slim on gcc.c-torture/execute/pr22061-2.c
Date: Mon, 15 Jan 2024 16:31:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113397

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-01-15

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Yes, probably just:

diff --git a/gcc/c-family/c-ada-spec.cc b/gcc/c-family/c-ada-spec.cc
index 7d886c0f92e..4b245ed6975 100644
--- a/gcc/c-family/c-ada-spec.cc
+++ b/gcc/c-family/c-ada-spec.cc
@@ -1566,6 +1566,8 @@ check_type_name_conflict (pretty_printer *buffer, tre=
e t)
        s =3D "";
       else if (TREE_CODE (TYPE_NAME (tmp)) =3D=3D IDENTIFIER_NODE)
        s =3D IDENTIFIER_POINTER (TYPE_NAME (tmp));
+      else if (!DECL_NAME (TYPE_NAME (tmp)))
+       s =3D "";
       else
        s =3D IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (tmp)));=