Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s ; rdar://7961298 define void @t() nounwind { entry: ; CHECK-LABEL: t: ; CHECK: trap call void @llvm.trap() unreachable } declare void @llvm.trap() nounwind