Front-end: Fix issue #409, check for implicitly-sized binding arrays.
diff --git a/Test/420.vert b/Test/420.vert
index 49035ea..ab28140 100644
--- a/Test/420.vert
+++ b/Test/420.vert
@@ -156,4 +156,6 @@
 

     levels = textureQueryLevels(samp1D);   // ERROR, not until 430

     levels = textureQueryLevels(samp1Ds);  // ERROR, not until 430

-}
\ No newline at end of file
+}

+

+layout(binding=0) writeonly uniform image1D badArray[];