initial commit for coom in opengl

include/glm/test/bug/bug_ms_vec_static.cpp

@@ -0,0 +1,48 @@
+#include <glm/glm.hpp>
+
+#if GLM_CONFIG_ANONYMOUS_STRUCT == GLM_ENABLE
+struct vec2;
+
+struct swizzleStruct
+{
+	char _buffer[1];
+};
+
+struct vec2
+{
+	GLM_CONSTEXPR vec2() :
+		x(0), y(0)
+	{}
+
+#if defined(_MSC_VER)
+#	pragma warning(push)
+#	pragma warning(disable: 4201)  // nonstandard extension used : nameless struct/union
+#endif
+#if GLM_COMPILER & GLM_COMPILER_CLANG
+#	pragma clang diagnostic push
+#	pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
+#	pragma clang diagnostic ignored "-Wnested-anon-types"
+#endif
+
+	union
+	{
+		struct { float x, y; };
+		struct { swizzleStruct xx; };
+	};
+
+#if GLM_COMPILER & GLM_COMPILER_CLANG
+#	pragma clang diagnostic pop
+#endif
+#if defined(_MSC_VER)
+#	pragma warning(pop)
+#endif
+};
+#endif
+
+// Visual C++ has a bug generating the error: fatal error C1001: An internal error has occurred in the compiler.
+// vec2 Bar;
+
+int main()
+{
+	return 0;
+}