[asan] LLVM: Switch to using dynamic shadow offset on iOS
authorAnna Zaks <ganna@apple.com>
Tue, 4 Oct 2016 19:02:29 +0000 (19:02 +0000)
committerAnna Zaks <ganna@apple.com>
Tue, 4 Oct 2016 19:02:29 +0000 (19:02 +0000)
commitef97d2c5894bc963d07339e3e07ae400157a20c2
tree0e458962f7b1240f3112ebb2e71e9013b94dab60
parentf833f173fbca19275d3cb36b96d1f7461c0a8fee
[asan] LLVM: Switch to using dynamic shadow offset on iOS

The VM layout is not stable between iOS version releases, so switch to dynamic shadow offset.

This is the LLVM counterpart of https://reviews.llvm.org/D25218

Differential Revision: https://reviews.llvm.org/D25219

llvm-svn: 283239
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp