Add some new tests

One tricky pointer one currently hits an assertion (fix forthcoming).

tests/pointer-decl-craziness.ispc

@@ -0,0 +1,23 @@
+//add test for f(int x[2][10]) - f(int x[][10]) - f(int (*x)[10])x
+
+export uniform int width() { return programCount; }
+
+
+int foo(uniform int x[2][10]) {
+    return x[1][programIndex % 5];
+}
+
+export void f_f(uniform float RET[], uniform float aFOO[]) {
+    uniform int x[2][10];    
+    for (uniform int i = 0; i < 2; ++i) {
+        for (uniform int j = 0; j < 10; ++j) {
+            x[i][j] = 10*i+j;
+        }
+    }
+    
+    RET[programIndex] = foo(x);
+}
+
+export void result(uniform float RET[]) {
+    RET[programIndex] = 10+ (programIndex % 5);
+}