Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

ForwardRef.td
// RUN: llvm-tblgen %s -o -
// XFAIL: vg_leak

class bar {
  list<bar> x;
}

class foo;
class foo;

class baz { list<foo> y; }

class foo {

}