Additional layout-related error checking.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@21108 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/300layout.vert

@@ -1,7 +1,11 @@
 #version 300 es
 
+struct s { vec4 v; };
+
 layout(location = 7) in vec3 c;
 layout(LocatioN = 3) in vec4 p;
+layout(LocatioN = 9) in vec4 q[4]; // ERROR, no array
+layout(LocatioN = 10) in s r[4];   // ERROR, no struct
 out vec4 pos;
 out vec3 color;
 
@@ -32,6 +36,8 @@ out badout {  // ERROR
     float f;
 };
 
+layout (location = 10) out vec4 badout;  // ERROR
+
 void main()
 {
     pos = p * (tblock.M1 + tblock.M2 + M4 + M3 + t2m);