Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: %lli -jit-kind=mcjit %s > /dev/null ; RUN: %lli %s > /dev/null define i32 @main() nounwind uwtable { entry: %retval = alloca i32, align 4 store i32 0, i32* %retval ret i32 0 }