Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2007-01-16-CrashOnBadCast.ll
; PR1117
; RUN: not llvm-as %s -o /dev/null 2>&1 | grep "invalid cast opcode for cast from"

define i8* @nada(i64 %X) {
    %result = trunc i64 %X to i8*
    ret i8* %result
}