hwasan: add -fsanitize=kernel-hwaddress flag

This patch adds -fsanitize=kernel-hwaddress flag, that essentially enables
-hwasan-kernel=1 -hwasan-recover=1 -hwasan-match-all-tag=0xff.

Differential Revision: https://reviews.llvm.org/D45046

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330044 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed