From 847910d9864bbb75b7b6930b2c51bb8f5d705d5a Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Sun, 20 Oct 2019 10:03:37 +0200
Subject: [PATCH] type needs to be part of hash for GroupId

---
 ecp5/archdefs.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ecp5/archdefs.h b/ecp5/archdefs.h
index 67c016cc..d155d672 100644
--- a/ecp5/archdefs.h
+++ b/ecp5/archdefs.h
@@ -224,7 +224,9 @@ template <> struct hash<NEXTPNR_NAMESPACE_PREFIX GroupId>
 {
     std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX GroupId &group) const noexcept
     {
-        std::size_t seed = std::hash<NEXTPNR_NAMESPACE_PREFIX Location>()(group.location);
+        std::size_t seed = 0;
+        boost::hash_combine(seed, hash<int>()(group.type));
+        boost::hash_combine(seed, hash<NEXTPNR_NAMESPACE_PREFIX Location>()(group.location));
         return seed;
     }
 };