[Bug c/87210] [RFE] introduce build time options to zero initialize automatic stack variables

[pjp at fedoraproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87210

--- Comment #3 from P J P <pjp at fedoraproject dot org> ---
Similar options under review for LLVM
  -> https://lists.llvm.org/pipermail/cfe-dev/2018-November/060172.html