[cfe-dev] Taking the address of an Objective-C @selector expression

[Tom Honermann]

On 04/30/2015 01:07 PM, Jonathan Roelofs wrote:
>> $ cat t.m
>> void f() {
>>      @selector(AMethod) = @selector(AMethod);
>>      &@selector(AMethod) = @selector(AMethod);
>> }
>>
>> $ clang -c t.m
>> t.m:2:24: error: expression is not assignable
>>      @selector(AMethod) = @selector(AMethod);
>>      ~~~~~~~~~~~~~~~~~~ ^
>> t.m:3:25: error: expression is not assignable
>>      &@selector(AMethod) = @selector(AMethod);
>>      ~~~~~~~~~~~~~~~~~~~ ^
>
> I can't think of any place where it makes sense to assign to the address
> of something (aside from operator&() in c++).
>
> Note that my first example had a '*' deref in it, whereas t.m does not.

Ugh, of course; carelessness on my part.  I confirmed that the 
assignment is not rejected in your case.

Tom.