[Bug lto/64543] gcc fails to build due to undefined references to functions in libiberty

[mikulas at artax dot karlin.mff.cuni.cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64543

--- Comment #1 from mikulas at artax dot karlin.mff.cuni.cz ---
Created attachment 34406
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34406&action=edit
failed build log