[Bug bootstrap/68404] [6 Regression] PGO/LTO bootstrap failure on ppc64le

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68404

--- Comment #20 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Your patch fixes the problem for me. Thanks.
I've also successfully build Firefox and run the Boost testsuite with it.

(the Boost testsuite hit the PR68973 ICE once with -mlra. 
I will reduce a testcase and post it to that PR)