[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
My machine is Intel Xeon Platinum 8180 and I have no problem under
kernel 4.17.11.