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From: Marek Polacek <mpolacek@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-5608] c++: Add fixed test [PR102870]
X-Act-Checkin: gcc
X-Git-Author: Marek Polacek <polacek@redhat.com>
X-Git-Refname: refs/heads/trunk
X-Git-Oldrev: 77906341efc5cb69aada0645c22850bc83c1d42c
X-Git-Newrev: b2ec2504af77b35e748067eeb846821d12a6b6b4
Message-Id: <20230131182930.D65BA3858D28@sourceware.org>
Date: Tue, 31 Jan 2023 18:29:30 +0000 (GMT)
List-Id: <gcc-cvs.sourceware.org>

https://gcc.gnu.org/g:b2ec2504af77b35e748067eeb846821d12a6b6b4

commit r13-5608-gb2ec2504af77b35e748067eeb846821d12a6b6b4
Author: Marek Polacek <polacek@redhat.com>
Date:   Tue Jan 31 13:27:21 2023 -0500

    c++: Add fixed test [PR102870]
    
    This was fixed by r12-7857: now we properly reject instead of
    crashing.
    
            PR c++/102870
    
    gcc/testsuite/ChangeLog:
    
            * g++.dg/cpp0x/variadic184.C: New test.

Diff:
---
 gcc/testsuite/g++.dg/cpp0x/variadic184.C | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic184.C b/gcc/testsuite/g++.dg/cpp0x/variadic184.C
new file mode 100644
index 00000000000..458357ac5a9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic184.C
@@ -0,0 +1,12 @@
+// PR c++/102870
+// { dg-do compile { target c++11 } }
+
+template <typename> struct integer_sequence;
+template <typename _Tp, _Tp _Num>
+using make_integer_sequence = integer_sequence<_Tp, __integer_pack(_Num)...>;
+template <long _Num>
+using make_index_sequence = make_integer_sequence<long, _Num>;
+template <class> struct Tuple;
+template <int... Is> using type = Tuple<make_index_sequence<Is>...>;
+template <int... Is> void f() { Tuple<type<Is>>{}; } // { dg-error "parameter packs not expanded" }
+int main() { f(); }