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2016-02-10 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/69116
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* include/bits/valarray_before.h (__fun, __fun_with_valarray): Only
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define result_type for types which can be safely used with valarrays.
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* testsuite/26_numerics/valarray/69116.cc: New.
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--- libstdc++-v3/include/bits/valarray_before.h (revision 233264)
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+++ libstdc++-v3/include/bits/valarray_before.h (revision 233265)
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@@ -331,14 +331,24 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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{ return pow(__x, __y); }
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};
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+ template<typename _Tp, bool _IsValidValarrayValue = !__is_abstract(_Tp)>
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+ struct __fun_with_valarray
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+ {
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+ typedef _Tp result_type;
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+ };
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+
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+ template<typename _Tp>
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+ struct __fun_with_valarray<_Tp, false>
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+ {
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+ // No result type defined for invalid value types.
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+ };
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// We need these bits in order to recover the return type of
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// some functions/operators now that we're no longer using
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// function templates.
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template<typename, typename _Tp>
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- struct __fun
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+ struct __fun : __fun_with_valarray<_Tp>
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{
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- typedef _Tp result_type;
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};
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// several specializations for relational operators.
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--- libstdc++-v3/testsuite/26_numerics/valarray/69116.cc (nonexistent)
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+++ libstdc++-v3/testsuite/26_numerics/valarray/69116.cc (revision 233265)
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@@ -0,0 +1,53 @@
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+// Copyright (C) 2016 Free Software Foundation, Inc.
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+//
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+// This file is part of the GNU ISO C++ Library. This library is free
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+// software; you can redistribute it and/or modify it under the
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+// terms of the GNU General Public License as published by the
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+// Free Software Foundation; either version 3, or (at your option)
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+// any later version.
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+
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+// This library is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU General Public License for more details.
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+
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+// You should have received a copy of the GNU General Public License along
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+// with this library; see the file COPYING3. If not see
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+// <http://www.gnu.org/licenses/>.
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+
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+// { dg-do compile }
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+// { dg-options "-std=gnu++98" }
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+
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+// libstdc++/69116
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+
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+#include <exception>
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+#include <valarray>
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+
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+template<typename T>
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+ void foo(const T&) { }
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+
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+struct X : std::exception // makes namespace std an associated namespace
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+{
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+ virtual void pure() = 0;
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+
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+ typedef void(*func_type)(const X&);
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+
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+ void operator+(func_type) const;
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+ void operator-(func_type) const;
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+ void operator*(func_type) const;
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+ void operator/(func_type) const;
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+ void operator%(func_type) const;
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+ void operator<<(func_type) const;
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+ void operator>>(func_type) const;
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+};
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+
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+void foo(X& x)
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+{
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+ x + foo;
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+ x - foo;
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+ x * foo;
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+ x / foo;
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+ x % foo;
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+ x << foo;
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+ x >> foo;
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+}
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