[svn r133] Fixed some problems with inlining not happening :P

Fixed problems with certain cases of deeply nested classes/functions.

test/nested10.d

@@ -0,0 +1,20 @@
+module nested10;
+
+void main()
+{
+    int j = 3;
+    void F()
+    {
+        int i = j;
+        printf("F: i = %d, j = %d\n", i, j);
+        void G()
+        {
+            printf("G: i = %d, j = %d\n", i, j);
+            j += i;
+        }
+        G();
+    }
+    F();
+    printf("6 = %d\n", j);
+    assert(j == 6);
+}