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[Bug c++/70862] [concepts] adding a concept-constrained version of a variable template causes multiple definition assembler error
- From: "ryan.burn at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 28 Apr 2016 19:25:47 +0000
- Subject: [Bug c++/70862] [concepts] adding a concept-constrained version of a variable template causes multiple definition assembler error
- Auto-submitted: auto-generated
- References: <bug-70862-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70862
--- Comment #1 from ryan.burn at gmail dot com ---
Simpler reproduction:
template <class... Tx>
concept bool C = true;
template <class... Tx>
constexpr bool a = false;
template <class... Tx>
requires C<Tx...>
constexpr bool a<Tx...> = true;
template <class... Tx>
requires a<Tx...>
void f(Tx...) {
}
int main() {
f();
f(3);
return 0;
}