From 8381f8e71e9dae8bf16988bea0153f82fdf76773 Mon Sep 17 00:00:00 2001
From: Christophe Riccio <christophe.riccio@unity3d.com>
Date: Sun, 5 Jan 2020 21:02:56 +0100
Subject: [PATCH] Tentative fix of GLM_FORCE_QUAT_DATA_WXYZ on Clang with tests

---
 glm/detail/type_quat.inl | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/glm/detail/type_quat.inl b/glm/detail/type_quat.inl
index 692f434d..3aefb3f8 100644
--- a/glm/detail/type_quat.inl
+++ b/glm/detail/type_quat.inl
@@ -74,14 +74,22 @@ namespace detail
 	GLM_FUNC_QUALIFIER GLM_CONSTEXPR T & qua<T, Q>::operator[](typename qua<T, Q>::length_type i)
 	{
 		assert(i >= 0 && i < this->length());
-		return (&x)[i];
+#		ifdef GLM_FORCE_QUAT_DATA_WXYZ
+			return (&w)[i];
+#		else
+			return (&x)[i];
+#		endif
 	}
 
 	template<typename T, qualifier Q>
 	GLM_FUNC_QUALIFIER GLM_CONSTEXPR T const& qua<T, Q>::operator[](typename qua<T, Q>::length_type i) const
 	{
 		assert(i >= 0 && i < this->length());
-		return (&x)[i];
+#		ifdef GLM_FORCE_QUAT_DATA_WXYZ
+			return (&w)[i];
+#		else
+			return (&x)[i];
+#		endif
 	}
 
 	// -- Implicit basic constructors --