_HB_BOOLEAN_EXPR 154 third_party/harfbuzz-ng/src/hb-private.hh #define likely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 1)) _HB_BOOLEAN_EXPR 155 third_party/harfbuzz-ng/src/hb-private.hh #define unlikely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 0))