Index: lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
===================================================================
--- lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
+++ lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
@@ -130,17 +130,17 @@
 ScriptedProcessPythonInterface::GetGenericInteger(llvm::StringRef method_name) {
   Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN,
                  Locker::FreeLock);
-
+  size_t gen_int_val = std::numeric_limits<size_t>::max();
   if (!m_object_instance_sp)
-    return LLDB_INVALID_ADDRESS;
+    return gen_int_val;
 
   if (!m_object_instance_sp)
-    return LLDB_INVALID_ADDRESS;
+    return gen_int_val;
   PythonObject implementor(PyRefType::Borrowed,
                            (PyObject *)m_object_instance_sp->GetValue());
 
   if (!implementor.IsAllocated())
-    return LLDB_INVALID_ADDRESS;
+    return gen_int_val;
 
   PythonObject pmeth(
       PyRefType::Owned,
@@ -150,12 +150,12 @@
     PyErr_Clear();
 
   if (!pmeth.IsAllocated())
-    return LLDB_INVALID_ADDRESS;
+    return gen_int_val;
 
   if (PyCallable_Check(pmeth.get()) == 0) {
     if (PyErr_Occurred())
       PyErr_Clear();
-    return LLDB_INVALID_ADDRESS;
+    return gen_int_val;
   }
 
   if (PyErr_Occurred())
@@ -173,9 +173,9 @@
 
   if (py_return.get()) {
     auto size = py_return.AsUnsignedLongLong();
-    return (size) ? *size : LLDB_INVALID_ADDRESS;
+    return (size) ? *size : gen_int_val;
   }
-  return LLDB_INVALID_ADDRESS;
+  return gen_int_val;
 }
 
 lldb::MemoryRegionInfoSP
@@ -274,7 +274,7 @@
 lldb::pid_t ScriptedProcessPythonInterface::GetProcessID() {
   size_t pid = GetGenericInteger("get_process_id");
 
-  return (pid >= std::numeric_limits<lldb::pid_t>::max())
+  return (pid >= std::numeric_limits<size_t>::max())
              ? LLDB_INVALID_PROCESS_ID
              : pid;
 }