[Bug c++/89766] [8 Regression] ICE: canonical types differ for identical types, -std=c++17

[rimvydas.jas at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89766

--- Comment #8 from Rimvydas (RJ) <rimvydas.jas at gmail dot com> ---
Created attachment 45995
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45995&action=edit
Compressed original case (3.3M).