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8312218: Print additional debug information when hitting assert(in_hash) #572

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8312218: Print additional debug information when hitting assert(in_hash) #572

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11 changes: 10 additions & 1 deletion src/hotspot/share/opto/compile.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4907,7 +4907,16 @@ void Compile::remove_speculative_types(PhaseIterGVN &igvn) {
const Type* t_no_spec = t->remove_speculative();
if (t_no_spec != t) {
bool in_hash = igvn.hash_delete(n);
assert(in_hash, "node should be in igvn hash table");
#ifdef ASSERT
if (!in_hash) {
tty->print_cr("current graph:");
n->dump_bfs(MaxNodeLimit, nullptr, "S$");
tty->cr();
tty->print_cr("erroneous node:");
n->dump();
assert(false, "node should be in igvn hash table");
}
#endif
tn->set_type(t_no_spec);
igvn.hash_insert(n);
igvn._worklist.push(n); // give it a chance to go away
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