From 69129c2e932bd51dff02578e67ea79799380a3cc Mon Sep 17 00:00:00 2001
From: andersfr <andersfr@gmail.com>
Date: Sat, 13 Jul 2019 13:57:32 +0200
Subject: [PATCH] Intentional wraparound used +

---
 CMakeLists.txt        | 2 ++
 std/hash/cityhash.zig | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52552cc3e..d0fca21fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -523,6 +523,8 @@ set(ZIG_STD_FILES
     "hash/crc.zig"
     "hash/fnv.zig"
     "hash/siphash.zig"
+    "hash/murmur.zig"
+    "hash/cityhash.zig"
     "hash_map.zig"
     "heap.zig"
     "heap/logging_allocator.zig"
diff --git a/std/hash/cityhash.zig b/std/hash/cityhash.zig
index 156267627..a4d7fc821 100644
--- a/std/hash/cityhash.zig
+++ b/std/hash/cityhash.zig
@@ -217,7 +217,7 @@ pub const CityHash64 = struct {
         const len: u64 = @truncate(u64, str.len);
         if (len >= 8) {
             const mul: u64 = k2 +% len *% 2;
-            const a: u64 = fetch64(str.ptr) + k2;
+            const a: u64 = fetch64(str.ptr) +% k2;
             const b: u64 = fetch64(str.ptr + str.len - 8);
             const c: u64 = rotr64(b, 37) *% mul +% a;
             const d: u64 = (rotr64(a, 25) +% b) *% mul;