Add geometry shader input array sizing/checking WRT declared input primitive layout.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23698 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/420.geom

@@ -0,0 +1,23 @@
+#version 150 core
+
+// testing input arrays without a gl_in[] block redeclaration, see 400.geom for with
+
+int i;
+
+void foo()
+{
+    gl_in.length();  // ERROR
+    gl_in[1].gl_Position;
+    gl_in[i].gl_Position;  // ERROR
+}
+
+layout(triangles) in;
+
+in vec4 color3[3];
+
+void foo3()
+{
+    gl_in.length();
+    gl_in[i].gl_Position;
+    color3.length();
+}