Walter Lee 8f1545c629 [asan] Fix small X86_64 ShadowOffset for non-default shadow scale
The requirement is that shadow memory must be aligned to page
boundaries (4k in this case).  Use a closed form equation that always
satisfies this requirement.

Differential Revision: https://reviews.llvm.org/D39471

llvm-svn: 318421
2017-11-16 17:03:00 +00:00
..