And I've now told you both on IRC and in reply to your original email, the directory is gcc/cp On 9 January 2018 at 13:39, Alec Teal <a.teal@xxxxxxxxxxxxx> wrote: > Per recommendation asking on GCC help > > > > -------- Forwarded Message -------- > Subject: Alignas broken when used with constexpr array data member > for structure > Date: Tue, 9 Jan 2018 13:15:37 +0000 > From: Alec Teal <a.teal@xxxxxxxxxxxxx> > To: gcc@xxxxxxxxxxx <gcc@xxxxxxxxxxx> > > > > [This sender failed our fraud detection checks and may not be who they > appear to be. Learn about spoofing at http://aka.ms/LearnAboutSpoofing] > > > Hi there, > > In GCC 4.8.4 I have something like the following: > > constexpr int x = 5; > > constexpr int y = 4; > > struct alignas(y) my_data_block { > > char data[x]; > > }; > > > And it causes some weird errors to the tune of "size of array ‘data’ is > not an integral constant-expression" in the presence of the alignas > > This is a pretty nasty bug and means it's not implemented as I thought. > I don't know the front-ends (but I do actually know GIMPLE-low and below > quite well, love the pattern matching) and I'd like to dig more, it's > almost certainly fixed - this is just for personal curiosity. > > Where would I look? A 1 line reply with a directory would be a great > start; even if it's just a guess. > > I did ask in #gcc on freenode - it didn't go so well, sorry to ping you > all for this. > > > Alec >
