Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

PR2413-void-address-cast-error.c
// RUN: %clang_cc1 -emit-llvm %s -o -
void f(void)
{
        void *addr;
        addr = (void *)( ((long int)addr + 7L) );
}