Introduce BIGNUM_EMBED_P to check BIGNUM_EMBED_FLAG (#2802)

* bignum.h: Add BIGNUM_EMBED_P

* bignum.c: Use macros for handling BIGNUM_EMBED_FLAG

1 files changed, 1 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index ccece5b3d1..a126de9a42 100644
--- a/gc.c
+++ b/gc.c
@@ -2815,7 +2815,7 @@ obj_free(rb_objspace_t *objspace, VALUE obj)
 	break;
 
       case T_BIGNUM:
-	if (!(RBASIC(obj)->flags & BIGNUM_EMBED_FLAG) && BIGNUM_DIGITS(obj)) {
+	if (!BIGNUM_EMBED_P(obj) && BIGNUM_DIGITS(obj)) {
 	    xfree(BIGNUM_DIGITS(obj));
             RB_DEBUG_COUNTER_INC(obj_bignum_ptr);
 	}