[Bug go/61246] gccgo: ICE in do_determine_types [GoSmith]

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61246

--- Comment #1 from Dmitry Vyukov <dvyukov at google dot com> ---
Created attachment 32825
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32825&action=edit
reproducer