https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120850

            Bug ID: 120850
           Summary: provide an special __builtin_memset_explicit
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: crrodriguez at opensuse dot org
  Target Milestone: ---

It is not possible for library to implement memset_explicit as specified on the
C23 standard..because it is up to the compiler to honour the "never elided,
regardless of optimizations" part. unless this is a special function known to
the compiler it still be subject to optimizations that will break this rules.

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