Add test code for array initialization.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58502 91177308-0d34-0410-b5e6-96231b3b80d8

test/Analysis/array-struct.c

@@ -32,3 +32,8 @@ void f2() {
 void f3() {
   STYPE s;
 }
+
+void f4() {
+  int a[] = { 1, 2, 3};
+  int b[3] = { 1, 2 };
+}