[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