From a66bf90b88dfd5587d6f020d5bf4225f2784190a Mon Sep 17 00:00:00 2001
From: Nathan Sashihara <21227491+n8sh@users.noreply.github.com>
Date: Fri, 1 Jun 2018 09:57:58 -0400
Subject: [PATCH] Fix Issue 18932 - core.internal.hash.hashOf(val, seed)
 ignores `seed` when val is a raw pointer

---
 src/core/internal/hash.d | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/core/internal/hash.d b/src/core/internal/hash.d
index a480d81ed9..7288ad46d1 100644
--- a/src/core/internal/hash.d
+++ b/src/core/internal/hash.d
@@ -94,7 +94,7 @@ size_t hashOf(T)(auto ref T val, size_t seed = 0) if (!is(T == enum) && __traits
 @trusted nothrow pure
 size_t hashOf(T)(auto ref T val, size_t seed = 0) if (!is(T == enum) && is(T : typeof(null)))
 {
-    return hashOf(cast(void*)null);
+    return hashOf(cast(void*)null, seed);
 }
 
 //Pointers hash. CTFE unsupported if not null
@@ -107,7 +107,7 @@ if (!is(T == enum) && is(T V : V*) && !is(T : typeof(null))
     {
         if(val is null)
         {
-            return hashOf(cast(size_t)0);
+            return hashOf(cast(size_t)0, seed);
         }
         else
         {
@@ -115,7 +115,7 @@ if (!is(T == enum) && is(T V : V*) && !is(T : typeof(null))
         }
 
     }
-    return hashOf(cast(size_t)val);
+    return hashOf(cast(size_t)val, seed);
 }
 
 //struct or union hash
@@ -394,6 +394,8 @@ unittest
     assert(h28 == rth28);
     assert(h29 == rth29);*/
     assert(h30 == rth30);
+
+    assert(hashOf(null, 0) != hashOf(null, 123456789)); // issue 18932
 }