[svn r5] Initial commit. Most things are very rough.

test/a.d

@@ -0,0 +1,21 @@
+module a;
+
+int i = 42;
+
+void main()
+{
+    int j;
+    j = i;
+    int* p;
+    p = &j;
+    int k = *p;
+    assert(k == 42);
+
+    byte b = -1;
+    int i = b;
+    assert(i == -1);
+
+    int* p2 = p;
+
+    printf("Done\n");
+}