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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/101194] [9/10/11/12 Regression] aggregate init requires
 default constructor
Date: Mon, 28 Jun 2021 20:21:06 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101194

--- Comment #2 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Reduced rejects-valid testcase:

struct nodefault {
  constexpr nodefault(int) { }
};
constexpr nodefault x[1] =3D { nodefault{0} };
constexpr nodefault y =3D x[0];


We started rejecting this testcase even earlier, after r7-2520.=