Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 %s -fsyntax-only -verify // expected-no-diagnostics template<int IntBits> struct X { enum { IntShift = (unsigned long long)IntBits, ShiftedIntMask = (1 << IntShift) }; }; X<1> x;