[Bug c++/120287] [12/13/14/15/16 Regression] internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in is_std_substitution, at cp/mangle.cc:507

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120287

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.5
           Keywords|needs-bisection             |
            Summary|internal compiler error:    |[12/13/14/15/16 Regression]
                   |tree check: expected class  |internal compiler error:
                   |'type', have 'exceptional'  |tree check: expected class
                   |(error_mark) in             |'type', have 'exceptional'
                   |is_std_substitution, at     |(error_mark) in
                   |cp/mangle.cc:507            |is_std_substitution, at
                   |                            |cp/mangle.cc:507

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)
> With -std=c++0x #c1 ICEs starting with r5-2991-g5e0231c231404677aa1b9

So basically since template variable support was added.