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