1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/foreach-8.m b/gcc/testsuite/objc.dg/foreach-8.m
new file mode 100644
index 000000000..9a68e9ffb
--- /dev/null
+++ b/gcc/testsuite/objc.dg/foreach-8.m
@@ -0,0 +1,51 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010.  */
+/* { dg-options "-Wall" } */
+/* { dg-do compile } */
+
+/* Test that fast enumeration loops where the iterating variable is declared
+   but not used do not generate warnings.  */
+
+/*
+struct __objcFastEnumerationState
+{
+  unsigned long state;
+  id            *itemsPtr;
+  unsigned long *mutationsPtr;
+  unsigned long extra[5];
+};
+*/
+@interface Object
+{
+  Class isa;
+}
+- (unsigned long)countByEnumeratingWithState: (struct __objcFastEnumerationState *)state
+                                     objects:(id *)stackbuf 
+                                       count:(unsigned int)len;
+- (id) enumerator;
+- (Class) classEnumerator;
+@end
+
+unsigned int count_objects_in_collection (id collection)
+{
+  unsigned int count = 0;
+
+  /* The following line should generate no warnings even with
+     -Wall.  */
+  for (id object in collection)
+    count++;
+
+  return count;
+}
+
+unsigned int count_objects_in_collection_2 (id collection)
+{
+  unsigned int count = 0;
+  id object;
+
+  /* The following line should generate no warnings even with
+     -Wall.  */
+  for (object in collection)
+    count++;
+
+  return count;
+}