Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

attr-leaf.c
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -Oz -o - %s | FileCheck %s

// CHECK: define{{.*}} void @f() local_unnamed_addr [[ATTRS:#[0-9]+]] {
void f(void) __attribute__((leaf));

void f(void)
{
}

// CHECK: attributes [[ATTRS]] = { {{.*}}nocallback{{.*}} }