Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2004-02-13-BuiltinFrameReturnAddress.c
// RUN: %clang_cc1 -no-opaque-pointers  %s -emit-llvm -o - | FileCheck %s

void *test1(void) {
  // CHECK: call i8* @llvm.returnaddress
  return __builtin_return_address(1);
}
void *test2(void) {
  // CHECK: call i8* @llvm.frameaddress
  return __builtin_frame_address(0);
}