1// This case came up when using PTH with Boost (<rdar://problem/8227989>). 2 3# ifndef R8227989_PREPROCESSOR_CONFIG_CONFIG_HPP 4# ifndef R8227989_PP_CONFIG_FLAGS 5# endif 6# 7# ifndef R8227989_PP_CONFIG_ERRORS 8# ifdef NDEBUG 9# endif 10# endif 11# endif 12 13