Similarly to inline asm, :: (or any other number of consecutive colons) can
appear in ObjC @selector argument and with the introduction of CPP_SCOPE
into the C FE, we need to trat CPP_SCOPE as two CPP_COLON tokens.
The C++ FE does that already that way.
2020-04-19 Jakub Jelinek <jakub@redhat.com>
PR objc/94637
* c-parser.c (c_parser_objc_selector_arg): Handle CPP_SCOPE like
two CPP_COLON tokens.
* objc.dg/pr94637.m: New test.
