From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id C16503858C5E; Fri, 29 Dec 2023 13:12:24 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C16503858C5E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1703855544;
	bh=eba37PxP8fxGBlDra4QE6YKqxNuGA/apJnO0xQ2fC04=;
	h=From:To:Subject:Date:From;
	b=a+b3n1z9lE8f8y4fi4u5hjeXFoH8kP1ylr6S2wNBXFLkwXhpzf3ifEvmhoy6pGTRN
	 bsKUYHiphGI6HMQmzx49S1QaCcBk3BUfsQr7D8cMerRTVs/GjySK1SRJZfarw+cFL2
	 hsanlRbMt0SEfj6byXXyB2HwyR2K3AjD2lOg5ebo=
From: "iamkirkezz at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/113170] New: ICE: Segfault (template template parameter,
 alias template, default value)
Date: Fri, 29 Dec 2023 13:12:23 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.2.1
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: iamkirkezz at gmail dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status
 bug_severity priority component assigned_to reporter target_milestone
 attachments.created
Message-ID: <bug-113170-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113170

            Bug ID: 113170
           Summary: ICE: Segfault (template template parameter, alias
                    template, default value)
           Product: gcc
           Version: 13.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: iamkirkezz at gmail dot com
  Target Milestone: ---

Created attachment 56964
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56964&action=3Dedit
g++ main.cpp -v output

| gcc version: 13.2.1 20230801
| system type: x86_64-pc-linux-gnu
| gcc options:
"""
/build/gcc/src/gcc/configure
--enable-languages=3Dada,c,c++,d,fortran,go,lto,objc,obj-c++ --enable-boots=
trap
--prefix=3D/usr --libdir=3D/usr/lib --libexecdir=3D/usr/lib --mandir=3D/usr=
/share/man
--infodir=3D/usr/share/info --with-bugurl=3Dhttps://bugs.archlinux.org/
--with-build-config=3Dbootstrap-lto --with-linker-hash-style=3Dgnu
--with-system-zlib --enable-__cxa_atexit --enable-cet=3Dauto
--enable-checking=3Drelease --enable-clocale=3Dgnu --enable-default-pie
--enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-obj=
ect
--enable-libstdcxx-backtrace --enable-link-serialization=3D1
--enable-linker-build-id --enable-lto --enable-multilib --enable-plugin
--enable-shared --enable-threads=3Dposix --disable-libssp --disable-libstdc=
xx-pch
--disable-werror
"""
| the complete command line: g++ main.cpp
| gcc output (for the full `g++ -v` output, see the attachment):
"""
g++: internal compiler error: Segmentation fault signal terminated program
cc1plus
"""
| source file (https://godbolt.org/z/cKTGrn1sP):
"""
template<typename T, template<typename> typename TT>
struct S;
template<typename T =3D int, template<typename> typename TT =3D S>
struct SSS {};
template<typename T =3D int, template<typename> typename TT =3D SSS>
struct S {};
template<template<typename> typename TT =3D S, typename T =3D int>
using SS =3D S<T, TT>;
int main() {
    SS<S, int> ss;
}
"""=