Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2003-11-08-PointerSubNotGetelementptr.c
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s

char *test(char* C) {
  // CHECK: getelementptr
  return C-1;   // Should turn into a GEP
}

int *test2(int* I) {
  return I-1;
}