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Subject: [Bug c++/101442] [9/10/11 Regression] Destructor not called for a
 temporary object, if it's bound to a ref member of an object subject to NRVO
Date: Fri, 13 May 2022 16:28:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101442

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:f9e356458d8f14b5a82f3244385ce814903fc02b

commit r11-9995-gf9e356458d8f14b5a82f3244385ce814903fc02b
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Apr 13 13:23:08 2022 -0400

    c++: NRV and ref-extended temps [PR101442]

    This issue goes back to r83221, where the cleanup for extended ref temps
    changed from being unconditional to being tied to the declaration they
    formed part of the initializer for.

    The named return value optimization changes the cleanup for the NRV
variable
    to only run on the EH path; we don't want that change to affect tempora=
ry
    cleanups.  The perform_member_init change isn't necessary (there 'decl'=
 is
a
    COMPONENT_REF), it's just for consistency.

            PR c++/101442

    gcc/cp/ChangeLog:

            * decl.c (cp_finish_decl): Don't pass decl to push_cleanup.
            * init.c (perform_member_init): Likewise.
            * semantics.c (push_cleanup): Adjust comment.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp0x/initlist-nrv1.C: New test.=