[Bug c++/100853] internal compiler error: in cp_tree_equal, at cp/tree.c:4148

[iii at linux dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100853

--- Comment #1 from Ilya Leoshkevich <iii at linux dot ibm.com> ---
Created attachment 50903
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50903&action=edit
repro