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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/91966] [8 Regression] pack expansion for Cartesian product 
 breaks if certain indirections are involved since
 r6-1487-g1a4cd2cd7e7266b0
Date: Fri, 03 Apr 2020 20:06:33 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D91966

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[8/9 Regression] pack       |[8 Regression] pack
                   |expansion for Cartesian     |expansion for Cartesian
                   |product  breaks if certain  |product  breaks if certain
                   |indirections are involved   |indirections are involved
                   |since                       |since
                   |r6-1487-g1a4cd2cd7e7266b0   |r6-1487-g1a4cd2cd7e7266b0

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed for 9.4/10.  Does anyone care about fixing this in GCC 8?=