global unnamed structures ignored

Examples/test-suite/nested_extend_c.i

@@ -87,5 +87,9 @@ typedef struct {
         int d;
     } bar;
 } FOO;
+
+struct {
+   int i;
+} THING;
 %}
 

Source/Modules/nested.cxx

@@ -396,7 +396,12 @@ void Swig_nested_name_unnamed_c_structs(Node *n) {
 	Delete(ins);
 	Delattr(c, "nested:outer");
       } else {
-	// global unnamed struct - ignore it
+	// global unnamed struct - ignore it and it's instances
+	SetFlag(c, "feature:ignore");
+	while (next && Getattr(next, "nested:unnamedtype") == c) {
+	  SetFlag(next, "feature:ignore");
+	  next = nextSibling(next);
+	}
 	c = next;
 	continue;
       }

Source/Modules/typepass.cxx

@@ -661,6 +661,9 @@ class TypePass:private Dispatcher {
    * ------------------------------------------------------------ */
 
   virtual int cDeclaration(Node *n) {
+    if (GetFlag(n, "feature:ignore")) {
+      return SWIG_OK;
+    }
     if (NoExcept) {
       Delattr(n, "throws");
     }