Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang -target arm-none-gnueabi -ffixed-r9 -### %s 2> %t // RUN: FileCheck --check-prefix=CHECK-FIXED-R9 < %t %s // CHECK-FIXED-R9: "-target-feature" "+reserve-r9"