https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104142

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jason Merrill
<ja...@gcc.gnu.org>:

https://gcc.gnu.org/g:5296b77556da4682d5a1e2318c0643affaa00563

commit r11-9981-g5296b77556da4682d5a1e2318c0643affaa00563
Author: Jason Merrill <ja...@redhat.com>
Date:   Mon Apr 11 14:50:14 2022 -0400

    c++: rodata and defaulted ctor [PR104142]

    Trivial initialization shouldn't bump a variable out of .rodata; if the
    result of build_aggr_init is an empty STATEMENT_LIST, throw it away.

            PR c++/104142

    gcc/cp/ChangeLog:

            * decl.c (check_initializer): Check TREE_SIDE_EFFECTS.

    gcc/testsuite/ChangeLog:

            * g++.dg/opt/const7.C: New test.

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