gcc : Fix CVE-2021-46195

Upstream-Status: Backport [https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=f10bec5ffa487ad3033ed5f38cfd0fc7d696deab

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Signed-off-by: pgowda <pgowda.cve@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 81e9f8ae)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>