src/hotspot/share/prims/jvmtiImpl.cpp

*** 568,579 ****
    if (signature_idx == -1) {
      _result = JVMTI_ERROR_INVALID_SLOT;
      return false;       // Incorrect slot index
    }
    Symbol*   sign_sym  = method_oop->constants()->symbol_at(signature_idx);
!   const char* signature = (const char *) sign_sym->as_utf8();
!   BasicType slot_type = char2type(signature[0]);
  
    switch (slot_type) {
    case T_BYTE:
    case T_SHORT:
    case T_CHAR:
--- 568,578 ----
    if (signature_idx == -1) {
      _result = JVMTI_ERROR_INVALID_SLOT;
      return false;       // Incorrect slot index
    }
    Symbol*   sign_sym  = method_oop->constants()->symbol_at(signature_idx);
!   BasicType slot_type = Signature::basic_type(sign_sym);
  
    switch (slot_type) {
    case T_BYTE:
    case T_SHORT:
    case T_CHAR:
*** 600,609 ****
--- 599,609 ----
      Handle obj(cur_thread, JNIHandles::resolve_external_guard(jobj));
      NULL_CHECK(obj, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
      Klass* ob_k = obj->klass();
      NULL_CHECK(ob_k, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
  
+     const char* signature = (const char *) sign_sym->as_utf8();
      if (!is_assignable(signature, ob_k, cur_thread)) {
        _result = JVMTI_ERROR_TYPE_MISMATCH;
        return false;
      }
    }