[ruby/prism] Better hashing between positive/negative integers

https://github.com/ruby/prism/commit/68ddf08634
2024-02-29 09:39:57 -05:00 · 2024-02-29 09:39:57 -05:00 · cb784082bc
commit cb784082bc
parent 950c60623b
1 changed files with 4 additions and 0 deletions
--- 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: {