Re: [v3 PATCH] PR libstdc++/78420

2017-01-22 Thread Ville Voutilainen
On 22 January 2017 at 17:57, Tim Song wrote: > On Sun, Jan 22, 2017 at 10:42 AM, Ville Voutilainen > wrote: >> + _GLIBCXX14_CONSTEXPR >> + bool >> + operator()(_Tp* __x, _Tp* __y) const >> + { return uintptr_t(__x) > uintptr_t(__y); } > > These reinterpret_casts can't possibly

Re: [v3 PATCH] PR libstdc++/78420

2017-01-22 Thread Tim Song
On Sun, Jan 22, 2017 at 10:42 AM, Ville Voutilainen wrote: > + _GLIBCXX14_CONSTEXPR > + bool > + operator()(_Tp* __x, _Tp* __y) const > + { return uintptr_t(__x) > uintptr_t(__y); } These reinterpret_casts can't possibly be constexpr. Simple test case: #include constexpr b