[svn r92] Fixed support for statically initialized unions. lots of bugfixes as cleanups too.

test/bug51.d

@@ -0,0 +1,26 @@
+module bug51;
+
+import std.stdint;
+
+union in6_addr
+{
+    private union _in6_u_t
+    {
+        uint8_t[16] u6_addr8;
+        uint16_t[8] u6_addr16;
+        uint32_t[4] u6_addr32;
+    }
+    _in6_u_t in6_u;
+
+    uint8_t[16] s6_addr8;
+    uint16_t[8] s6_addr16;
+    uint32_t[4] s6_addr32;
+}
+
+
+const in6_addr IN6ADDR_ANY = { s6_addr8: [0] };
+const in6_addr IN6ADDR_LOOPBACK = { s6_addr8: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1] };
+
+void main()
+{
+}