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8264340: [lworld] [AArch64] assertion failure in OopFlow::build_oop_map #479

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@@ -3160,6 +3160,19 @@ void Scheduling::ComputeRegisterAntidependencies(Block *b) {

// Do not allow a CheckCastPP node whose input is a raw pointer to
// float past a safepoint. This can occur when a buffered inline
// type is allocated in a loop and the CheckCastPP from that
// allocation is reused outside the loop. If the use inside the
// loop is scalarized the CheckCastPP will no longer be connected
// to the loop safepoint. See JDK-8264340.
if (m->is_Mach() && m->as_Mach()->ideal_Opcode() == Op_CheckCastPP) {
Node *def = m->in(1);
if (def != NULL && def->bottom_type()->base() == Type::RawPtr) {

if( n->jvms() ) { // Precedence edge from derived to safept