Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -triple avr-unknown-unknown -emit-llvm %s -o - | FileCheck %s // CHECK: define{{.*}} void @foo(){{.*}}#0 __attribute__((interrupt)) void foo(void) { } // CHECK: attributes #0 = {{{.*interrupt.*}}}