diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-44.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-44.C | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-44.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-44.C new file mode 100644 index 0000000..bd20b54 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-44.C @@ -0,0 +1,43 @@ +// PR c++/63849 +// { dg-do compile { target c++11 } } + +template <class _T, class...> +using First = _T; // we should not use this + // alias with only + // one pack parameter (?) + +template <template <class...> class _Successor, + int, + class... _Xs> +struct Overlay +{ + using O = _Successor<_Xs...>; +}; + +template <class... _Pack> +struct List +{ + template <int _s> + using O = typename Overlay<List, _s, _Pack...>::O; + + template <template <class...> class _S> + using Pass = _S<_Pack...>; + + template <int _i> + using At = typename O<_i> + ::template Pass<First>; +}; + +template <int _i> +using At = typename List<int, char> +::template At<_i>; + +template <int _i> +void func_crash(At<_i>&) {} + +int main(int argc, char *argv[]) +{ + char ccc; + int iii; + func_crash<0>(iii); +} |