Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: not opt -verify < %s 2>&1 | FileCheck %s %X = type opaque define void @f_0(%X* %ptr) { %t = load %X, %X* %ptr ret void ; CHECK: loading unsized types is not allowed ; CHECK-NEXT: %t = load %X, %X* %ptr }