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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Date: Tue, 25 Aug 2020 09:27:44 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96591

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|lto                         |c++
   Target Milestone|---                         |8.5
           Keywords|                            |lto

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
FE trees should not leak into the middle-end so it looks more like a FE iss=
ue
to me.  We're chasing TYPE_FIELDS of the context of the scalar_type name
and visiting a TEMPLATE_DECL for 'rebind' in simd_traits.

In the end this might mean free-lang-data doesn't visit DECL_CONTEXT of
the INTEGER_TYPEs TYPE_NAME?  At least I do not see it walking
simd_traits.

It might also be that some intermediate optimization somehow introduces
a reference to this type from nowhere (huh).=