Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

pedantic-dynamic-test.m
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -Wno-objc-root-class %s
// expected-no-diagnostics
// rdar: // 7860960

@interface I
{
  int window;
}
@property int window, noWarningNeeded;
@end

@implementation I

@synthesize window;

@dynamic noWarningNeeded;
@end