Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc < %s -mtriple x86_64-apple-darwin | FileCheck %s ; PR17964 ; CHECK: __DATA,__thread_data,thread_local_regular ; CHECK: _foo$tlv$init @foo = weak_odr thread_local global i8 1, align 4 define i32 @main() { ret i32 0 }