tree 9e757909eceecba4d120cba591429998a9db3356
parent 2dcfe269a6c863a91e614dd6134c995d6347fdf7
author Alex Light <allight@google.com> 1497629292 -0700
committer Alex Light <allight@google.com> 1497631052 -0700

Null check thread peers in JVMTI class callbacks

Early in startup it is possible that some callbacks will be called
with null thread arguments. We were failing DCHECKS by trying to add
references to these null objects.

Test: ./test.py --host -j40
Test: ./test/run-test --host --jvmti-trace-stress 001-HelloWorld
Change-Id: I2fdc454859ca5081b2db12643b4d24267035f7e8