[Darwin] Cleanup code via improved GetMacosAlignedVersion()
authorJulian Lettner <julian.lettner@apple.com>
Tue, 28 Jul 2020 16:44:02 +0000 (09:44 -0700)
committerJulian Lettner <julian.lettner@apple.com>
Tue, 28 Jul 2020 16:48:34 +0000 (09:48 -0700)
commit12f27fc4b505da848a06b37488c5717bf9e3b85d
tree3b4cb680f2766d175941c27a3bcf023076d3b0b4
parentbd4757cc4e40cb1b916c2c39f7bac8abc5adc294
[Darwin] Cleanup code via improved GetMacosAlignedVersion()

Checking the OS version via `GetMacosAlignedVersion()` now works in
simulators [1].  Let's use it to simplify `DyldNeedsEnvVariable()`.

[1] 3fb0de820796cc6e322c8378713d375d9870a353

Reviewed By: delcypher

Differential Revision: https://reviews.llvm.org/D81197
compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
compiler-rt/lib/sanitizer_common/sanitizer_mac.h