[Bug tree-optimization/82142] struct zeroing should use wide stores instead of avoiding overwriting padding

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82142

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
On trunk, the codegen looks optimal now (surely Jakub's changes in PR116416).