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[Bug libstdc++/56785] std::tuple of two elements does not apply empty base class optimization when one of its elements is a std::tuple with two elements
- From: "gcc-bugzilla at contacts dot eelis.net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 18 Jun 2014 14:25:50 +0000
- Subject: [Bug libstdc++/56785] std::tuple of two elements does not apply empty base class optimization when one of its elements is a std::tuple with two elements
- Auto-submitted: auto-generated
- References: <bug-56785-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56785
--- Comment #8 from Eelis <gcc-bugzilla at contacts dot eelis.net> ---
With Clang 3.5, given
struct X: std::tuple<> { char c; };
I get sizeof(X)==1. Is that not what you mean?