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8371216: oopDesc::print_value_on breaks if klass is garbage

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Reviewed-by: coleenp, mdoerr
This commit is contained in:
Paul Hübner 2025-11-10 09:24:45 +00:00 committed by Martin Doerr
parent 2c378e26d7
commit f48ad21ecc
1 changed files with 4 additions and 1 deletions
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5
src/hotspot/share/oops/oop.cpp
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@ -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 {