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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/102345] [modules] Cannot define a module interface unit for
 anything in <new>
Date: Wed, 13 Mar 2024 18:26:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102345

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ppalka at gcc dot gnu.org
           Keywords|rejects-valid               |diagnostic

--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> ---
IIUC we're correct to reject since built-ins are implicitly attached to the
global module and here we're trying to redeclare one in another module?

Perhaps the diagnostic could be improved here though.  Clang gives

  error: declaration of 'operator new' in module newdel follows declaration=
 in
the global module=