[Bug tree-optimization/69760] [4.9/5/6 Regression] Wrong 64-bit memory address caused by an unneeded overflowing 32-bit integer multiplication on x86_64 under -O2 and -O3 code optimization

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 37779
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37779&action=edit
patch

The attached also fixes the issue (creating the same code) and has "valid"
CHRECs.  No vect.exp fallout and no tree-ssa.exp fallout.

Thus testing that now.