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8156137: SIGSEGV in ReceiverTypeData::clean_weak_klass_links

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Process previous versions in Klass::clean_weak_klass_links()

Reviewed-by: coleenp, sspitsyn, stefank, dcubed
This commit is contained in:
Dean Long 2016-08-31 12:10:40 -07:00
parent b2c1c48604
commit 2baffbf490
1 changed files with 6 additions and 0 deletions
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6
hotspot/src/share/vm/oops/klass.cpp
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@ -431,6 +431,12 @@ void Klass::clean_weak_klass_links(BoolObjectClosure* is_alive, bool clean_alive
if (clean_alive_klasses && current->is_instance_klass()) { if (clean_alive_klasses && current->is_instance_klass()) {
InstanceKlass* ik = InstanceKlass::cast(current); InstanceKlass* ik = InstanceKlass::cast(current);
ik->clean_weak_instanceklass_links(is_alive); ik->clean_weak_instanceklass_links(is_alive);
// JVMTI RedefineClasses creates previous versions that are not in
// the class hierarchy, so process them here.
while ((ik = ik->previous_versions()) != NULL) {
ik->clean_weak_instanceklass_links(is_alive);
}
} }
} }
} }