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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/103096] Compiling never ends (at least not in
 resonable time - less than 10 mins)
Date: Fri, 05 Nov 2021 11:12:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103096

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c++                         |libstdc++
           Keywords|                            |compile-time-hog

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
same for clang++, so possibly a libstdc++ issue.  But then you are
instantiating std::pair<std::pair<int, int>, std::pair<int, int> >, etc.,
exponentially growing the size of the template...

Which means - don't do this?=