glslang SPV tests: Add a set of SPV tests.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31212 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/spv.structAssignment.frag

@@ -0,0 +1,39 @@
+#version 130
+
+uniform sampler2D sampler;
+varying mediump vec2 coord;
+
+struct lunarStruct1 {
+    int i;
+    float f;
+};
+
+struct lunarStruct2 {
+    int i;
+    float f;
+	lunarStruct1 s1_1;
+};
+
+struct lunarStruct3 {
+	lunarStruct2 s2_1;
+    int i;
+    float f;
+	lunarStruct1 s1_1;
+};
+
+
+uniform lunarStruct1 foo;
+uniform lunarStruct2 foo2;
+uniform lunarStruct3 foo3;
+
+void main()
+{
+	lunarStruct2 locals2;
+
+	if (foo3.s2_1.i > 0)
+		locals2 = foo3.s2_1;
+	else
+		locals2 = foo2;
+
+	gl_FragColor =  locals2.s1_1.f * texture2D(sampler, coord);
+}