From fad158037986c3b5068b36aff27f970be3069e5d Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Tue, 19 Nov 2024 19:09:01 +0300
Subject: [PATCH] Fix GCC false positive -Warray-bounds in geom::swizzle when
 using ubsan

---
 libs/geom/include/psemek/geom/swizzle.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libs/geom/include/psemek/geom/swizzle.hpp b/libs/geom/include/psemek/geom/swizzle.hpp
index a6172c1d..20ec6057 100644
--- a/libs/geom/include/psemek/geom/swizzle.hpp
+++ b/libs/geom/include/psemek/geom/swizzle.hpp
@@ -21,12 +21,17 @@ namespace psemek::geom
 
 	}
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Warray-bounds"
+
 	template <std::size_t ... I>
 	constexpr auto swizzle = [](auto const & x){
+		static_assert(((I == -1 || I < std::decay_t<decltype(x)>::static_dimension) && ...));
 		using result = typename detail::swizzle_rebind<std::decay_t<decltype(x)>>::template type<sizeof...(I)>;
 		using element = std::decay_t<decltype(x[0])>;
 		return result{(I == (-1) ? element{} : x[I])...};
 	};
 
+#pragma GCC diagnostic pop
 
 }