Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=clc++ -frecovery-ast void kernel nocrash() { constant int L1 = 0; private int *constant L2 = L1++; // expected-error {{read-only variable is not assignable}} }