[Bug c++/77786] [5 Regression] ICE in tsubst_copy, at cp/pt.c:13040

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77786

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |4.9.4, 6.2.0, 7.0
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|                            |2016-09-29
                 CC|                            |jason at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|internal compiler error: in |[5 Regression] ICE in
                   |tsubst_copy, at             |tsubst_copy, at
                   |cp/pt.c:13040               |cp/pt.c:13040
   Target Milestone|---                         |5.5
      Known to fail|                            |4.5.4, 4.6.4, 4.7.4, 4.8.5,
                   |                            |5.4.0

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
I can confirm that. On trunk the issue was fixed by r231863.
It's probably up to Jason whether to backport the fix?