Roll lss 3f6478ac:63f24c82

https://chromium.googlesource.com/linux-syscall-support/+log/3f6478ac..63f24c82

63f24c8 Revert "Put r7 back into clobber registers in sys_clone() for thumb2."
a2b7092 Fix -Wshift-negative-value warnings with MAKE_PROCESS_CPUCLOCK.
c555f53 Fix armv8/thumb IT blocks
5cedb6b Switch LSS to use Gerrit for code review by default
1549d20 Put r7 back into clobber registers in sys_clone() for thumb2.

BUG=507717
TBR=mseaborn

Review-Url: https://codereview.chromium.org/2787843002
Cr-Commit-Position: refs/heads/master@{#460971}
1 file changed