[Bug tree-optimization/77485] Missed dead store elimination of aggregate store followed by partial stores

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77485

--- Comment #10 from Jeffrey A. Law <law at redhat dot com> ---
  <bb 2> [0.00%]:
  MEM[(char[170] *)&<retval> + 30B] = {};
  <retval>.buf[0] = 48;
[ ... ]