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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/113976] [11/12/13/14 Regression] explicit instantiation of
 const variable template following implicit instantiation is assembled in
 .rodata instead of .bss since r8-2857-g2ec399d8a6c9c2
Date: Mon, 19 Feb 2024 17:49:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113976

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Note, adjusted testcase:
struct S { int a, b; };
int foo () { return 42; }
template <int N>
const S a =3D { 42, foo () };
const S *b =3D &a <0>;
template <int N>
const S c =3D  { 42, foo () };
template const S c <0>;
template <int N>
const S d =3D  { 42, foo () };
const S *e =3D &d <0>;
template const S d <0>;
template <int N>
const S f =3D  { 42, foo () };
template const S f <0>;
const S *g =3D &f <0>;
int main () {}
started crashing with r6-1525-g350562a75dfb4ac658adf620665871eb47166652
(before that commit it failed to link).
When there is partly constant and partly dynamic initializer, we were never
considering putting it into .bss section.=