ART: Fix UTF test and monitor pool old chunks

Zero-initialize buffers in utf_test. UTF conversion does not
append a zero terminator, but the test uses strlen to check the
byte count.

Move to unique_ptr for storing old monitor-pool chunk data to
fix a leak.

Bug: 27156726
Change-Id: I14424c6f98cf47beab6243f83a335bd6a682c638

1 files changed, 1 insertions, 1 deletions

diff --git a/runtime/monitor_pool.cc b/runtime/monitor_pool.cc
index 2832e32dd1..9e78cda190 100644
--- a/runtime/monitor_pool.cc
+++ b/runtime/monitor_pool.cc
@@ -51,7 +51,7 @@ void MonitorPool::AllocateChunk() {
       memcpy(new_backing, old_backing, sizeof(uintptr_t) * capacity_);
       monitor_chunks_.StoreRelaxed(new_backing);
       capacity_ = new_capacity;
-      old_chunk_arrays_.push_back(old_backing);
+      old_chunk_arrays_.push_back(std::unique_ptr<uintptr_t[]>(old_backing));
       VLOG(monitor) << "Resizing to capacity " << capacity_;
     }
   }