UtilityFunction::MakeFunctionCaller uses the Error to report failure,

but when there's was no process it was just returning an null pointer
and not setting the error.  I don't have a scenario where this might
go wrong, just code inspection...


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@267594 91177308-0d34-0410-b5e6-96231b3b80d8

source/Expression/UtilityFunction.cpp

@@ -77,7 +77,10 @@ UtilityFunction::MakeFunctionCaller (const CompilerType &return_type, const Valu
 
     ProcessSP process_sp = m_jit_process_wp.lock();
     if (!process_sp)
+    {
+        error.SetErrorString("Can't make a function caller without a process.");
         return nullptr;
+    }
 
     Address impl_code_address;
     impl_code_address.SetOffset(StartAddress());