bug#39168: 27.0.50; Error on command line flags with use dump-file flag with other flags

[Yuan Fu]

> On Apr 24, 2020, at 12:31 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Yuan Fu <ykf5041@psu.edu>
>> Date: Fri, 24 Apr 2020 11:58:05 -0400
>> Cc: 39168@debbugs.gnu.org
>> 
>> I’m still seeing this in the latest master build. Could you give me some
>> pointers on how to fix this?
> 
> I thought I did just that in
> 
>  
> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdebbugs.gnu.org%2Fcgi%2Fbugreport.cgi%3Fbug%3D39168%238&amp;data=02%7C01%7Cykf5041%40psu.edu%7C73225549a67c47daa17708d7e86d09d7%7C7cf48d453ddb4389a9c1c115526eb52e%7C0%7C0%7C637233427328246054&amp;sdata=NKZV6igzz0KyKIbM%2Fla8f4DPb7quGe2CdV1aA%2FqSSdA%3D&amp;reserved=0
> 
> Do you have follow-up questions?

Ah, yes. How can I check if Emacs is restored from a portable dump file? I see 
strcmp (temacs, "pdump”) in main but I don’t think that’s in scope in 
init_cmdargs. Thanks.

Yuan