Move files.

test/libsolidity/semanticTests/array/string_allocation_bug.sol

@@ -0,0 +1,20 @@
+contract Sample {
+    struct s {
+        uint16 x;
+        uint16 y;
+        string a;
+        string b;
+    }
+    s[2] public p;
+
+    constructor() public {
+        s memory m;
+        m.x = 0xbbbb;
+        m.y = 0xcccc;
+        m.a = "hello";
+        m.b = "world";
+        p[0] = m;
+    }
+}
+// ----
+// p(uint256): 0x0 -> 0xbbbb, 0xcccc, 0x80, 0xc0, 0x05, "hello", 0x05, "world"