[Bug target/65171] [5 Regression] r214254 causes thousands of std::length_errors running boost testsuite on ppc64le

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65171

--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
BTW I get:
FAIL: gcc.target/powerpc/swaps-p8-2.c scan-assembler-not xxpermdi
before and after your patch.