[Bug target/71493] [6/7 regression] accidental ABI change for structure return on PowerPC

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71493

--- Comment #4 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 38924
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38924&action=edit
Proposed patch to fix the problem

I'm testing this patch right now.  The patch applies to both the trunk and the
GCC 6.x branches.