Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

protocol-expr-1.m
// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

@protocol fproto @end

@protocol p1 
@end

@class cl;

int main(void)
{
	Protocol *proto = @protocol(p1);
        Protocol *fproto = @protocol(fproto);
}