From cb784082bc38299a1669d2d593f7a796411d752b Mon Sep 17 00:00:00 2001
From: Kevin Newton <kddnewton@gmail.com>
Date: Thu, 29 Feb 2024 09:39:57 -0500
Subject: [PATCH] [ruby/prism] Better hashing between positive/negative
 integers

https://github.com/ruby/prism/commit/68ddf08634
---
 prism/static_literals.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/prism/static_literals.c b/prism/static_literals.c
index 17be22c2e7..64d6ffeec9 100644
--- a/prism/static_literals.c
+++ b/prism/static_literals.c
@@ -61,6 +61,10 @@ node_hash(const pm_parser_t *parser, const pm_node_t *node) {
                 hash ^= murmur_hash((const uint8_t *) value, sizeof(uint32_t));
             }
 
+            if (integer->negative) {
+                hash ^= murmur_scramble((uint32_t) 1);
+            }
+
             return hash;
         }
         case PM_SOURCE_LINE_NODE: {