RB_UNLIKELY      1620 include/ruby/ruby.h 	if (RB_UNLIKELY(cnt > LONG_MAX / sizeof(VALUE))) {
RB_UNLIKELY      1626 include/ruby/ruby.h 	if (RB_UNLIKELY(rb_mul_size_overflow(count, elsize, max, &size))) {
RB_UNLIKELY        27 internal.h     #define UNLIKELY(x) RB_UNLIKELY(x)