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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/102257] call of overloaded 'tuple' is ambiguous
Date: Fri, 10 Sep 2021 03:55:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102257

--- Comment #3 from =E5=BA=B7=E6=A1=93=E7=91=8B <hewillk at gmail dot com> =
---
(In reply to Andrew Pinski from comment #2)
> See https://wg21.link/cwg1228 this might be invalid code and GCC is corre=
ct
> in rejecting it.

Maybe. But why does GCC accept the following?

#include <tuple>
#include <string>

int main() {
  std::tuple<std::string, int> t{{}, {}};
}

https://godbolt.org/z/ePovjh3fa=