Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
RUN: llvm-dwp %p/../Inputs/empty.dwo -o %t RUN: llvm-dwarfdump -v %t | FileCheck %s CHECK: file format CHECK-NOT: .debug_cu_index CHECK-NOT: version CHECK-NOT: .debug_tu_index CHECK-NOT: version