[RFC] Deprecate "implicit int" for main() in C++

[Jonathan Wakely]

On 25/04/18 13:13 -0400, Nathan Sidwell wrote:
>On 04/25/2018 12:45 PM, Jonathan Wakely wrote:
>
>>@@ -15869,6 +15851,12 @@ finish_function (bool inline_p)
>> Â Â Â  {
>> Â Â Â Â Â  warning (OPT_Wreturn_type,
>> Â Â Â Â Â Â Â Â Â Â Â Â Â  "no return statement in function returning non-void");
>>+Â Â Â Â Â  if (DECL_NAME (fndecl) == assign_op_identifier)
>
>IDENTIFIER_ASSIGN_OP_P (DECL_NAME (fndecl)), so += and friends are 
>also caught?

Thanks. I've included that in my patch and attached it to PR 85523.