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

[janus at gcc dot gnu.org]

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

--- Comment #5 from janus at gcc dot gnu.org ---
(In reply to Richard Biener from comment #1)
> Would be nice to know what fixed this (or maybe know if it just went latent).

Bisection indicates that the segfault disappeared at r254526.