Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2002-07-31-SubregFailure.c
// RUN: %clang_cc1 -Wno-implicit-function-declaration -emit-llvm %s  -o /dev/null


typedef union {
   long (*ap)[4];
} ptrs;

void DoAssignIteration(void) {
  ptrs abase;
  abase.ap+=27;
  Assignment(*abase.ap);
}