At the end of the process, the code for when quot is 0 is restored.

Author: SakiTakamachi

ext/bcmath/libbcmath/src/div.c

@@ -433,8 +433,7 @@ bool bc_divide(bc_num numerator, bc_num divisor, bc_num *quot, size_t scale)
 
 	_bc_rm_leading_zeros(*quot);
 	if (bc_is_zero(*quot)) {
-		bc_free_num(quot);
-		goto quot_zero;
+		(*quot)->n_sign = PLUS;
 	} else {
 		(*quot)->n_sign = numerator->n_sign == divisor->n_sign ? PLUS : MINUS;
 	}