[Bug target/95952] [8 Regression] gcc-8 bootstrap failure on powerpc64-linux

[willschm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95952

--- Comment #13 from Will Schmidt <willschm at gcc dot gnu.org> ---
Created attachment 48871
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48871&action=edit
proposed patch

Attached patch appears sufficient to resolve the issue on the 970 based box I
have access to.