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8139163: InstanceKlass::cast passes through NULL

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Reduce raw (InstanceKlass*) casts and InstanceKlass::cast, which no long allows null

Reviewed-by: twisti, kbarrett
This commit is contained in:
Coleen Phillimore 2015-10-26 13:11:36 -04:00
parent 25cc742a8f
commit 5179fc3488
43 changed files with 215 additions and 252 deletions
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4
hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp
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@ -104,7 +104,7 @@ bool VM_RedefineClasses::doit_prologue() {
ClassLoaderData* cld = _scratch_classes[i]->class_loader_data();
// Free the memory for this class at class unloading time. Not before
// because CMS might think this is still live.
cld->add_to_deallocate_list((InstanceKlass*)_scratch_classes[i]);
cld->add_to_deallocate_list(InstanceKlass::cast(_scratch_classes[i]));
}
}
// Free os::malloc allocated memory in load_new_class_version.
@ -4133,7 +4133,7 @@ void VM_RedefineClasses::increment_class_counter(InstanceKlass *ik, TRAPS) {
subk = subk->next_sibling()) {
if (subk->oop_is_instance()) {
// Only update instanceKlasses
InstanceKlass *subik = (InstanceKlass*)subk;
InstanceKlass *subik = InstanceKlass::cast(subk);
// recursively do subclasses of the current subclass
increment_class_counter(subik, THREAD);
}