6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv
os_family = linux
arch = sparc
arch_model = sparc
os_arch = linux_sparc
os_arch_model = linux_sparc
lib_arch = sparcv9
compiler = gcc
sysdefs = -DLINUX -D_GNU_SOURCE -DSPARC