[Bug testsuite/64796] effective target bswap64 globally caches target-specific use of lp64

[thopre01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64796

--- Comment #5 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
These cases should all be covered by the patch posted [1], shouldn't it?

[1] https://gcc.gnu.org/ml/gcc-patches/2015-01/msg02380.html