8338471: Assert deleted methods not returned by CallInfo

Reviewed-by: shade, jwaters, dholmes

src/hotspot/share/code/compiledIC.cpp

@@ -83,6 +83,7 @@ void CompiledICData::initialize(CallInfo* call_info, Klass* receiver_klass) {
     _speculated_klass = (uintptr_t)receiver_klass;
   }
   if (call_info->call_kind() == CallInfo::itable_call) {
+    assert(call_info->resolved_method() != nullptr, "virtual or interface method must be found");
     _itable_defc_klass = call_info->resolved_method()->method_holder();
     _itable_refc_klass = call_info->resolved_klass();
   }
@@ -238,6 +239,7 @@ void CompiledIC::set_to_megamorphic(CallInfo* call_info) {
       return;
     }
 #ifdef ASSERT
+    assert(call_info->resolved_method() != nullptr, "virtual or interface method must be found");
     int index = call_info->resolved_method()->itable_index();
     assert(index == itable_index, "CallInfo pre-computes this");
     InstanceKlass* k = call_info->resolved_method()->method_holder();
@@ -254,6 +256,7 @@ void CompiledIC::set_to_megamorphic(CallInfo* call_info) {
     }
   }
 
+  assert(call_info->selected_method() != nullptr, "virtual or interface method must be found");
   log_trace(inlinecache)("IC@" INTPTR_FORMAT ": to megamorphic %s entry: " INTPTR_FORMAT,
                          p2i(_call->instruction_address()), call_info->selected_method()->print_value_string(), p2i(entry));
 

src/hotspot/share/interpreter/linkResolver.cpp

@@ -87,7 +87,7 @@ void CallInfo::set_interface(Klass* resolved_klass,
   // we should pick the vtable index from the resolved method.
   // In that case, the caller must call set_virtual instead of set_interface.
   assert(resolved_method->method_holder()->is_interface(), "");
-  assert(itable_index == resolved_method()->itable_index(), "");
+  assert(itable_index == resolved_method->itable_index(), "");
   set_common(resolved_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
 }
 
@@ -1541,7 +1541,7 @@ void LinkResolver::runtime_resolve_interface_method(CallInfo& result,
   }
 
   // resolve the method in the receiver class, unless it is private
-  if (!is_abstract_interpretation && !resolved_method()->is_private()) {
+  if (!is_abstract_interpretation && !resolved_method->is_private()) {
     // do lookup based on receiver klass
     // This search must match the linktime preparation search for itable initialization
     // to correctly enforce loader constraints for interface method inheritance.
@@ -1590,17 +1590,17 @@ void LinkResolver::runtime_resolve_interface_method(CallInfo& result,
     assert(is_abstract_interpretation || vtable_index == selected_method->vtable_index(), "sanity check");
     result.set_virtual(resolved_klass, resolved_method, selected_method, vtable_index, CHECK);
   } else if (resolved_method->has_itable_index()) {
-    int itable_index = resolved_method()->itable_index();
+    int itable_index = resolved_method->itable_index();
     log_develop_trace(itables)("  -- itable index: %d", itable_index);
     result.set_interface(resolved_klass, resolved_method, selected_method, itable_index, CHECK);
   } else {
     int index = resolved_method->vtable_index();
     log_develop_trace(itables)("  -- non itable/vtable index: %d", index);
     assert(index == Method::nonvirtual_vtable_index, "Oops hit another case!");
-    assert(resolved_method()->is_private() ||
-           (resolved_method()->is_final() && resolved_method->method_holder() == vmClasses::Object_klass()),
+    assert(resolved_method->is_private() ||
+           (resolved_method->is_final() && resolved_method->method_holder() == vmClasses::Object_klass()),
            "Should only have non-virtual invokeinterface for private or final-Object methods!");
-    assert(resolved_method()->can_be_statically_bound(), "Should only have non-virtual invokeinterface for statically bound methods!");
+    assert(resolved_method->can_be_statically_bound(), "Should only have non-virtual invokeinterface for statically bound methods!");
     // This sets up the nonvirtual form of "virtual" call (as needed for final and private methods)
     result.set_virtual(resolved_klass, resolved_method, resolved_method, index, CHECK);
   }

src/hotspot/share/interpreter/linkResolver.hpp

@@ -99,7 +99,6 @@ class CallInfo : public StackObj {
   // Materialize a java.lang.invoke.ResolvedMethodName for this resolved_method
   void     set_resolved_method_name(TRAPS);
 
-  BasicType    result_type() const               { return selected_method()->result_type(); }
   CallKind     call_kind() const                 { return _call_kind; }
   int          vtable_index() const {
     // Even for interface calls the vtable index could be non-negative.

src/hotspot/share/oops/cpCache.cpp

@@ -604,6 +604,7 @@ void ConstantPoolCache::adjust_method_entries(bool * trace_name_printed) {
       if (old_method == nullptr || !old_method->is_old()) {
         continue;
       }
+      assert(!old_method->is_deleted(), "cannot delete these methods");
       Method* new_method = old_method->get_new_method();
       resolved_indy_entry_at(j)->adjust_method_entry(new_method);
       log_adjust("indy", old_method, new_method, trace_name_printed);