Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 %s -O3 -emit-llvm -o - // PR1173 struct S { char s; }; struct T { struct S t; }; struct S *const p = &((struct T * const) (0x4000))->t; void foo (void) { p->s = 0; }