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8371216: oopDesc::print_value_on breaks if klass is garbage #28190

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8371216: oopDesc::print_value_on breaks if klass is garbage #28190

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e8be53d
Print oop without klass asserts.
Arraying Nov 7, 2025
b5991b7
Don't make a new function.
Arraying Nov 7, 2025
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5 changes: 4 additions & 1 deletion src/hotspot/share/oops/oop.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,10 @@ char* oopDesc::print_value_string() {

void oopDesc::print_value_on(outputStream* st) const {
oop obj = const_cast<oopDesc*>(this);
if (java_lang_String::is_instance(obj)) {
// We can't use java_lang_String::is_instance since that has klass assertions enabled.
// If the klass is garbage we want to just fail the check and continue printing, as
// opposed to aborting the VM entirely.
if (obj != nullptr && obj->klass_without_asserts() == vmClasses::String_klass()) {
java_lang_String::print(obj, st);
print_address_on(st);
} else {
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