From e1ecda297e1b184d824fb4045169a20bba98a9ea Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 26 Oct 2021 20:12:15 +0900
Subject: [PATCH] Make new object for negated float as `Float` is always frozen
 now

---
 parse.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parse.y b/parse.y
index 5948f6e2f6..ec25402aec 100644
--- a/parse.y
+++ b/parse.y
@@ -11924,7 +11924,7 @@ negate_lit(struct parser_params *p, VALUE lit)
 	RCOMPLEX_SET_IMAG(lit, negate_lit(p, RCOMPLEX(lit)->imag));
 	break;
       case T_FLOAT:
-	RFLOAT(lit)->float_value = -RFLOAT_VALUE(lit);
+	lit = DBL2NUM(-RFLOAT_VALUE(lit));
 	break;
       unknown:
       default: