tree 724058f1db5c0789c3a3c26fdd8be55018a6e2be
parent 22d48a819a5171fea19bcaacf7efb113edf5f524
author Andreas Gampe <agampe@google.com> 1440810927 -0700
committer The Android Automerger <android-build@google.com> 1440816831 -0700

ART: Weaken size check in hprof

Dumping the heap is a two-phase process. In the first phase, all
objects are visited to fill the header tables. In the second phase,
the tables are written out and the heap is visited again to write
the object records.

Deleting global references doesn't require the mutator lock. So it
is possible to delete a global ref in-between the first and the
second phase. This leads to a smaller set of object records. The
result is still safe, as the object's class etc. is still in the
header tables, and the object won't be deleted, so will still be
dumped by itself.

Bug: 23521263
Change-Id: I019c29b13ceb9f13e362c742662f1546d52c37a0