8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp

Summary: Change _abstract_method_handler to return AbstractMethodError i2c, c2i and c2iv entries.
Reviewed-by: kvn, vlivanov

src/share/vm/runtime/sharedRuntime.cpp

@@ -84,6 +84,7 @@
 
 // Shared stub locations
 RuntimeStub*        SharedRuntime::_wrong_method_blob;
+RuntimeStub*        SharedRuntime::_wrong_method_abstract_blob;
 RuntimeStub*        SharedRuntime::_ic_miss_blob;
 RuntimeStub*        SharedRuntime::_resolve_opt_virtual_call_blob;
 RuntimeStub*        SharedRuntime::_resolve_virtual_call_blob;
@@ -101,11 +102,12 @@ UncommonTrapBlob*   SharedRuntime::_uncommon_trap_blob;
 
 //----------------------------generate_stubs-----------------------------------
 void SharedRuntime::generate_stubs() {
-  _wrong_method_blob                   = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method),         "wrong_method_stub");
-  _ic_miss_blob                        = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss), "ic_miss_stub");
-  _resolve_opt_virtual_call_blob       = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C),  "resolve_opt_virtual_call");
-  _resolve_virtual_call_blob           = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C),      "resolve_virtual_call");
-  _resolve_static_call_blob            = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C),       "resolve_static_call");
+  _wrong_method_blob                   = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method),          "wrong_method_stub");
+  _wrong_method_abstract_blob          = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_abstract), "wrong_method_abstract_stub");
+  _ic_miss_blob                        = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss),  "ic_miss_stub");
+  _resolve_opt_virtual_call_blob       = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C),   "resolve_opt_virtual_call");
+  _resolve_virtual_call_blob           = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C),       "resolve_virtual_call");
+  _resolve_static_call_blob            = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C),        "resolve_static_call");
 
 #ifdef COMPILER2
   // Vectors are generated only by C2.
@@ -1345,6 +1347,11 @@ JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method(JavaThread* thread))
   return callee_method->verified_code_entry();
 JRT_END
 
+// Handle abstract method call
+JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_abstract(JavaThread* thread))
+  return StubRoutines::throw_AbstractMethodError_entry();
+JRT_END
+
 
 // resolve a static call and patch code
 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_static_call_C(JavaThread *thread ))
@@ -2341,12 +2348,13 @@ void AdapterHandlerLibrary::initialize() {
 
   // Create a special handler for abstract methods.  Abstract methods
   // are never compiled so an i2c entry is somewhat meaningless, but
-  // fill it in with something appropriate just in case.  Pass handle
-  // wrong method for the c2i transitions.
-  address wrong_method = SharedRuntime::get_handle_wrong_method_stub();
+  // throw AbstractMethodError just in case.
+  // Pass wrong_method_abstract for the c2i transitions to return
+  // AbstractMethodError for invalid invocations.
+  address wrong_method_abstract = SharedRuntime::get_handle_wrong_method_abstract_stub();
   _abstract_method_handler = AdapterHandlerLibrary::new_entry(new AdapterFingerPrint(0, NULL),
                                                               StubRoutines::throw_AbstractMethodError_entry(),
-                                                              wrong_method, wrong_method);
+                                                              wrong_method_abstract, wrong_method_abstract);
 }
 
 AdapterHandlerEntry* AdapterHandlerLibrary::new_entry(AdapterFingerPrint* fingerprint,

src/share/vm/runtime/sharedRuntime.hpp

@@ -56,6 +56,7 @@ class SharedRuntime: AllStatic {
   // Shared stub locations
 
   static RuntimeStub*        _wrong_method_blob;
+  static RuntimeStub*        _wrong_method_abstract_blob;
   static RuntimeStub*        _ic_miss_blob;
   static RuntimeStub*        _resolve_opt_virtual_call_blob;
   static RuntimeStub*        _resolve_virtual_call_blob;
@@ -206,6 +207,11 @@ class SharedRuntime: AllStatic {
     return _wrong_method_blob->entry_point();
   }
 
+  static address get_handle_wrong_method_abstract_stub() {
+    assert(_wrong_method_abstract_blob!= NULL, "oops");
+    return _wrong_method_abstract_blob->entry_point();
+  }
+
 #ifdef COMPILER2
   static void generate_uncommon_trap_blob(void);
   static UncommonTrapBlob* uncommon_trap_blob()                  { return _uncommon_trap_blob; }
@@ -481,6 +487,7 @@ class SharedRuntime: AllStatic {
   // handle ic miss with caller being compiled code
   // wrong method handling (inline cache misses, zombie methods)
   static address handle_wrong_method(JavaThread* thread);
+  static address handle_wrong_method_abstract(JavaThread* thread);
   static address handle_wrong_method_ic_miss(JavaThread* thread);
 
 #ifndef PRODUCT