tree a3659d13b6b7f043b18f99536684a96e1e1e2971
parent 38ceb62339514a8012695673b9e1110d13546f02
author Hiroshi Yamauchi <yamauchi@google.com> 1458346672 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> 1458347604 -0700

Fix a CC 145-alloc-tracking-stress deadlock.

When the allocation tracking gets disabled, there may be threads
blocking on the system weak access for recording allocations, but when
GC reenables the system weak access, it fails to wake up those blocked
threads (which causes a deadlock) because the broadcast call is guarded
by Heap::IsAllocTrackingEnabled(), which is false at this point.

Broadcast in Heap::BroadcastForNewAllocationRecords() regardless of
Heap::IsAllocTrackingEnabled(), which is safe.

Also apply a similar fix for the non-CC case.

Bug: 27467554
Change-Id: I74cf88bceb306589ce11a19a688be223e099e88a