std::optional defaut constructor

[Jonathan Wakely]

On 04/06/20 00:50 +0200, Marc Glisse wrote:
>(I don't currently have a setup that would enable me to commit anything. I'll
>try to fix it eventually, but likely not so soon)

Ah, I missed this bit. I'll take care of it for you.

If it's due to the Git conversion let me know if it's something I can
help with off-list.


>diff --git a/libstdc++-v3/include/std/optional b/libstdc++-v3/include/std/optional
>index 37c2ba7a025..e84ba28a806 100644
>--- a/libstdc++-v3/include/std/optional
>+++ b/libstdc++-v3/include/std/optional
>@@ -688,7 +688,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
>     public:
>       using value_type = _Tp;
> 
>-      constexpr optional() = default;
>+      constexpr optional() noexcept { }
> 
>       constexpr optional(nullopt_t) noexcept { }
>