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Subject: [Bug c++/98249] [9/10 Regression] Improper ADL on the `arg` in `new
 (arg) T`
Date: Thu, 12 May 2022 21:14:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98249

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:6c69f7c449cc1c0d48e13b8680023a59f541260e

commit r10-10719-g6c69f7c449cc1c0d48e13b8680023a59f541260e
Author: Jason Merrill <jason@redhat.com>
Date:   Mon Apr 11 13:06:05 2022 -0400

    c++: operator new lookup [PR98249]

    The standard says, as we quote in the comment just above, that if we do=
n't
    find operator new in the allocated type, it should be looked up in the
    global scope.  This is specifically ::, not just any namespace, and we
    already give an error for an operator new declared in any other namespa=
ce.

            PR c++/98249

    gcc/cp/ChangeLog:

            * call.c (build_operator_new_call): Just look in ::.

    gcc/testsuite/ChangeLog:

            * g++.dg/lookup/new3.C: New test.=