[COFF, ARM64] Add support for MSVC buffer security check
Reviewers: rnk, mstorsjo, compnerd, efriedma, TomTan
Reviewed By: rnk
Subscribers: javed.absar, kristof.beyls, chrib, llvm-commits
Differential Revision: https://reviews.llvm.org/D54248
llvm-svn: 346469