Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llvm-as < %s | llvm-dis | FileCheck %s ; CHECK: %g = getelementptr i8, i8* %p define i8* @ptr(i8* %p) { %g = getelementptr i8, i8* %p ret i8* %p }