[Bug tree-optimization/106378] Miss to handle ifn .LEN_STORE in DSE

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106378

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 53330
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53330&action=edit
patch

I am testing this on x86_64-linux.