Should not pass the original object but the converted string

mrkn · mrkn · commit ff8eeeb0648b · 2021-01-13T00:44:26.000+09:00
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
@@ -2934,7 +2934,7 @@ rb_convert_to_BigDecimal(VALUE val, size_t digs, int raise_exception)
         }
         return Qnil;
     }
-    return rb_str_convert_to_BigDecimal(val, digs, raise_exception);
+    return rb_str_convert_to_BigDecimal(str, digs, raise_exception);
 }
 
 /* call-seq:

Original file line number	Diff line number	Diff line change
`@@ -2934,7 +2934,7 @@ rb_convert_to_BigDecimal(VALUE val, size_t digs, int raise_exception)`
`2934`	`2934`	`}`
`2935`	`2935`	`return Qnil;`
`2936`	`2936`	`}`
`2937`		`- return rb_str_convert_to_BigDecimal(val, digs, raise_exception);`
	`2937`	`+ return rb_str_convert_to_BigDecimal(str, digs, raise_exception);`
`2938`	`2938`	`}`
`2939`	`2939`
`2940`	`2940`	`/* call-seq:`