From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-495899-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 104350 invoked by alias); 30 Aug 2015 12:08:43 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 104305 invoked by uid 48); 30 Aug 2015 12:08:39 -0000
From: "miyuki at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/67398] Segfault when template static references another template
Date: Sun, 30 Aug 2015 12:08:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 5.2.1
X-Bugzilla-Keywords: ice-on-invalid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: miyuki at gcc dot gnu.org
X-Bugzilla-Status: NEW
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:
Message-ID: <bug-67398-4-vkKqvGrYER@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-67398-4@http.gcc.gnu.org/bugzilla/>
References: <bug-67398-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2015-08/txt/msg02041.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67398

--- Comment #5 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
$ cat test3.cc 
template <typename>
struct B {
    static const int staticMetaObject;
};

template <typename T>
struct D {
    int stringdata0 = T::className;
} staticStringData{};

template <typename T>
const int B<T>::staticMetaObject{staticStringData<T>};

void foo()
{
    B<int> constraints;
    constraints.staticMetaObject;
}

$ cc1plus test3.cc                                                              
test3.cc: In instantiation of 'D staticStringData<int>':
test3.cc:12:50:   required from 'const int B<int>::staticMetaObject'
test3.cc:17:17:   required from here
test3.cc:9:3: internal compiler error: Segmentation fault
 } staticStringData{};
   ^
0xc847bf crash_signal
        /home/miyuki/gcc/src/gcc/toplev.c:352
0x5e36b3 extend_ref_init_temps(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**)
        /home/miyuki/gcc/src/gcc/cp/call.c:9892
0x5e3724 extend_ref_init_temps(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**)
        /home/miyuki/gcc/src/gcc/cp/call.c:9914
0x6868d9 store_init_value(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
        /home/miyuki/gcc/src/gcc/cp/typeck2.c:806
0x5ef6ae check_initializer
        /home/miyuki/gcc/src/gcc/cp/decl.c:6089


$ clang++ -std=c++14 -S test3.cc 
test3.cc:9:2: error: expected ';' after struct
} staticStringData{};
 ^
 ;
test3.cc:9:3: error: C++ requires a type specifier for all declarations
} staticStringData{};