Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: obj2yaml %S/Inputs/test-2.o | yaml2obj -o %t.o # RUN: llvm-pdbutil dump --types %t.o | FileCheck %s -check-prefix=ALL # ALL: {{.*}} guid = {39B59910-0D01-4889-B930-43E2FFC14694}