[sanitizer] Revert D50940
authorKostya Kortchinsky <kostyak@google.com>
Wed, 29 Aug 2018 19:41:28 +0000 (19:41 +0000)
committerKostya Kortchinsky <kostyak@google.com>
Wed, 29 Aug 2018 19:41:28 +0000 (19:41 +0000)
commit65e1bcf2b2355e20c0d452b251bcac687ae5ac8e
tree3975e6dcb75e1a2d76b4ee2fcea5522567032125
parent39a4724095ba6329389177d9ca6fb573b8ae95e5
[sanitizer] Revert D50940

Summary:
The previous version of the patch makes some code unable to distinguish
failure to map address 0 and error.
Revert to turn the bots back to green while figuring out a new approach.

Reviewers: eugenis

Reviewed By: eugenis

Subscribers: kubamracek, delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D51451

llvm-svn: 340957
compiler-rt/lib/asan/asan_linux.cc
compiler-rt/lib/asan/asan_premap_shadow.cc
compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc
compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h
compiler-rt/lib/sanitizer_common/sanitizer_mac_libcdep.cc
compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cc
compiler-rt/lib/scudo/scudo_allocator_secondary.h