Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; Check that a block "IDENTIFICATION_BLOCK_ID" is emitted. ;RUN: llvm-as < %s | llvm-bcanalyzer -dump | FileCheck %s ;CHECK: <IDENTIFICATION_BLOCK_ID ;CHECK-NEXT: <STRING ;CHECK-NEXT: <EPOCH ;CHECK-NEXT: </IDENTIFICATION_BLOCK_ID