From c956cae8244c094783edc7101fd0ca542c24e55b Mon Sep 17 00:00:00 2001
From: gatecat <gatecat@ds0.me>
Date: Fri, 12 Feb 2021 10:35:51 +0000
Subject: Make BaseArch getDecalGraphics return an empty range

Fix assertion failure when opening the GUI on an arch without any
decals.

Signed-off-by: gatecat <gatecat@ds0.me>
---
 common/nextpnr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'common')

diff --git a/common/nextpnr.h b/common/nextpnr.h
index 26dcaac4..8d6ab4cc 100644
--- a/common/nextpnr.h
+++ b/common/nextpnr.h
@@ -1375,7 +1375,7 @@ template <typename R> struct BaseArch : ArchAPI<R>
     // Decal methods
     virtual typename R::DecalGfxRangeT getDecalGraphics(DecalId decal) const override
     {
-        NPNR_ASSERT_FALSE("unreachable");
+        return empty_if_possible<typename R::DecalGfxRangeT>();
     };
     virtual DecalXY getBelDecal(BelId bel) const override { return DecalXY(); }
     virtual DecalXY getWireDecal(WireId wire) const override { return DecalXY(); }
-- 
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