[Bug c++/86946] [9 Regression] ICE: canonical types differ for identical types

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86946

--- Comment #7 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 46070
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46070&action=edit
C++ source code

Original C++ code from package capnproto.