[iter] Fix bug in hb_any() and hb_none()

src/hb-iter.hh

@@ -552,7 +552,7 @@ static const struct
   operator () (Iterable&& c) const
   {
     for (auto it = hb_iter (c); it; ++it)
-      if (it)
+      if (*it)
 	return true;
     return false;
   }
@@ -566,7 +566,7 @@ static const struct
   operator () (Iterable&& c) const
   {
     for (auto it = hb_iter (c); it; ++it)
-      if (it)
+      if (*it)
 	return false;
     return true;
   }

src/hb-ot-layout-gsubgpos.hh

@@ -1546,9 +1546,9 @@ struct ContextFormat2
 
     return
     + hb_enumerate (ruleSet)
-    | hb_filter ([&] (const hb_pair_t<unsigned, const OffsetTo<RuleSet> &> p) -> bool
-		 { return class_def.intersects_class (glyphs, p.first) &&
-			  (this+p.second).intersects (glyphs, lookup_context); })
+    | hb_map ([&] (const hb_pair_t<unsigned, const OffsetTo<RuleSet> &> p) -> bool
+	      { return class_def.intersects_class (glyphs, p.first) &&
+		       (this+p.second).intersects (glyphs, lookup_context); })
     | hb_any
     ;
   }
@@ -2193,9 +2193,9 @@ struct ChainContextFormat2
 
     return
     + hb_enumerate (ruleSet)
-    | hb_filter ([&] (const hb_pair_t<unsigned, const OffsetTo<ChainRuleSet> &> p) -> bool
-		 { return input_class_def.intersects_class (glyphs, p.first) &&
-			  (this+p.second).intersects (glyphs, lookup_context); })
+    | hb_map ([&] (const hb_pair_t<unsigned, const OffsetTo<ChainRuleSet> &> p) -> bool
+		   { return input_class_def.intersects_class (glyphs, p.first) &&
+			    (this+p.second).intersects (glyphs, lookup_context); })
     | hb_any
     ;
   }

src/test-iter.cc

@@ -137,7 +137,7 @@ main (int argc, char **argv)
 
   test_iterator (hb_zip (st, v));
 
-  hb_any (hb_zip (st, v));
+  hb_any (st);
 
   hb_array_t<hb_vector_t<int> > pa;
   pa->as_array ();