Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

noderef_on_non_pointers.m
// RUN: %clang_cc1 -verify %s

#define NODEREF __attribute__((noderef))

@interface NSObject
+ (id)new;
@end

void func(void) {
  id NODEREF obj = [NSObject new]; // expected-warning{{'noderef' can only be used on an array or pointer type}}
}