Flesh out 4.x block redeclaration semantics:

- hide non-redeclared anonymous members
 - array size limit checking
 - illegal member qualifiers
 - additional members


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24406 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/410.geom

@@ -27,6 +27,8 @@ out gl_PerVertex {
 
 void foo()
 {
-    float p = gl_in[1].gl_PointSize;   // use of redeclared
-    gl_PointSize = p;   // use of redeclared
+    float p = gl_in[1].gl_PointSize;  // use of redeclared
+    gl_PointSize = p;                 // use of redeclared
+    vec4 v = gl_in[1].gl_Position;    // ERROR, not included in the redeclaration
+    gl_Position = vec4(1.0);          // ERROR, not included in the redeclaration
 }