[PATCH] Deprecate -frepo on gcc-9 branch (PR c++/91125).

[Jason Merrill]

On 7/11/19 3:02 AM, Jakub Jelinek wrote:
> On Thu, Jul 11, 2019 at 08:48:52AM +0200, Martin Liška wrote:
>> --- a/gcc/c-family/c-opts.c
>> +++ b/gcc/c-family/c-opts.c
>> @@ -501,6 +501,8 @@ c_common_handle_option (size_t scode, const char *arg, HOST_WIDE_INT value,
>>         flag_use_repository = value;
>>         if (value)
>>   	flag_implicit_templates = 0;
>> +      warning (0, "%<-frepo%> is deprecated and will be removed "
>> +	       "in a future release");
>>         break;

Is there a reason not to condition this on OPT_Wdeprecated (which 
defaults to on)?

Jason