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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/52830] ICE: "canonical types differ for identical types
 ..." when attempting SFINAE with member type
Date: Thu, 23 Dec 2021 14:04:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D52830

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.0
         Resolution|---                         |FIXED
                 CC|                            |ppalka at gcc dot gnu.org
             Status|REOPENED                    |RESOLVED

--- Comment #15 from Patrick Palka <ppalka at gcc dot gnu.org> ---
(In reply to Jason Merrill from comment #14)
> This seems to be fixed on trunk.

Looks like ever since r12-3766, which also removed the dg-ice from
constexpr-52830.C, so I suppose we can close this PR then.=