GL_ARB_enhanced_layouts, part 4: Numerical side of xfb_*: offset computation, size computation, alias detection, paddings, overflow, implicit strides, gl_Max* checks, etc.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25014 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/400.tesc

@@ -48,8 +48,8 @@ in vec2 ina;   // ERROR, not array
 in vec2 inb[];
 in vec2 inc[18];  // ERROR, wrong size
 in vec2 ind[gl_MaxPatchVertices];
-
-#extension GL_ARB_separate_shader_objects : enable
+
+#extension GL_ARB_separate_shader_objects : enable
 
 layout(location = 3) in vec4 ivla[];
 layout(location = 4) in vec4 ivlb[];