[XRay] Account for virtual memory re-use
authorDean Michael Berris <dberris@google.com>
Mon, 22 Oct 2018 06:11:50 +0000 (06:11 +0000)
committerDean Michael Berris <dberris@google.com>
Mon, 22 Oct 2018 06:11:50 +0000 (06:11 +0000)
commit2336dc3c51c8883a1ef171a4236c448b54f6993c
tree706b410922303a2ff75a694e5c0d6981373f5530
parent788b17ca78e25f7eb079ce7836ce45c1dde3bb67
[XRay] Account for virtual memory re-use

Change the assumption when releasing memory to a buffer queue that new
generations might not be able to re-use the memory mapped addresses.

llvm-svn: 344882
compiler-rt/lib/xray/xray_buffer_queue.cc