Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llvm-as < %s > %t.out2.bc ; RUN: echo "@me = global i32* null" | llvm-as > %t.out1.bc ; RUN: llvm-link %t.out1.bc %t.out2.bc -o /dev/null @me = weak global i32* null ; <i32**> [#uses=0]