Partial fix for inconsistencies re: #2578

gl_SecondaryPositionNV and gl_PositionPerViewNV are inconsistently
declared inside and outside of gl_PerVertex. This breaks interface block
matching. For now ignore these errors since it should be fixed with how
they are declared.

Test/link.vk.inconsistentGLPerVertex.0.geom

@@ -0,0 +1,27 @@
+#version 460 core
+
+layout(lines_adjacency) in; 
+layout(triangle_strip, max_vertices = 50) out;
+
+in vs_output 
+{ 
+	vec4 color;
+} gs_in[]; 
+
+out gs_output
+{
+	vec4 color;
+} gs_out;
+
+void main()
+{
+	gl_Position = gl_in[0].gl_Position;
+	gs_out.color = gs_in[0].color;
+	EmitVertex();
+	gs_out.color = gs_in[1].color;
+	gl_Position = gl_in[1].gl_Position;
+	EmitVertex();
+	gs_out.color = gs_in[0].color;
+	gl_Position = gl_in[0].gl_Position;
+	EmitVertex();
+}