[v3 PATCH] Implement C++17 variable templates for type traits.

[Jonathan Wakely]

On 31/07/16 15:50 +0300, Ville Voutilainen wrote:
>diff --git a/libstdc++-v3/include/bits/uses_allocator.h b/libstdc++-v3/include/bits/uses_allocator.h
>index b1ff58a..8fdeda7 100644
>--- a/libstdc++-v3/include/bits/uses_allocator.h
>+++ b/libstdc++-v3/include/bits/uses_allocator.h
>@@ -108,8 +108,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
>       __ret._M_a = std::__addressof(__a);
>       return __ret;
>     }
>+#if __cplusplus > 201402L
>+  template <typename _Tp, typename _Alloc>
>+    constexpr bool uses_allocator_v = uses_allocator<_Tp, _Alloc>::value;
>+#endif // C++17
>
>-_GLIBCXX_END_NAMESPACE_VERSION
>+  _GLIBCXX_END_NAMESPACE_VERSION

This has become indented, but the corresponding BEGIN isn't indented,
so please restore the indentation.


>diff --git a/libstdc++-v3/testsuite/20_util/bind/is_placeholder_v.cc b/libstdc++-v3/testsuite/20_util/bind/is_placeholder_v.cc
>new file mode 100644
>index 0000000..ef66883
>--- /dev/null
>+++ b/libstdc++-v3/testsuite/20_util/bind/is_placeholder_v.cc
>@@ -0,0 +1,37 @@
>+// { dg-options "-std=gnu++17" }
>+// { dg-do compile }
>+
>+// Copyright (C) 2014-2016 Free Software Foundation, Inc.

This should be just 2016.

Assuming testing passes, OK with those changes

Thanks for the quick fix.