--- /dev/null
+#pragma MSP stage(vertex)
+vec4 func();
+void main()
+{
+ gl_Position = func();
+}
+layout(location=0) in vec4 position;
+vec4 func()
+{
+ return position;
+}
+
+/* Expected output: vertex
+layout(location=0) in vec4 position;
+void main()
+{
+ gl_Position = position;
+}
+*/