Add -fzero-init-padding-bits to Compiler Options Hardening Guide for C and C++
#919
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Signed-off-by: Thomas Nyman <thomas.nyman@ericsson.com>
…w should this guide be applied?" Co-authored-by: David A. Wheeler <dwheeler@dwheeler.com> Signed-off-by: Thomas Nyman <thomas.nyman@ericsson.com>
Signed-off-by: Thomas Nyman <thomas.nyman@ericsson.com>
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This flag reduces the risk that an incomplete initialization reveals sensitive information and can be used to achieve consistent behaviors for union and struct initializers across GCC versions.
Fixes #857