[Bug tree-optimization/101074] calloc result not treated as zeroed out

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101074

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 51021
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51021&action=edit
prototype patch for VN

ineffective prototype patch