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constexpr-factorial.cpp
// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s

constexpr unsigned oddfac(unsigned n) {
  return n == 1 ? 1 : n * oddfac(n-2);
}
constexpr unsigned k = oddfac(123);

using A = int[k % 256];
using A = int[43];