tree.c (get_qualified_type): Add TYPE_CONTEXT check.

2002-08-20  Devang Patel  <dpatel@apple.com>
        * tree.c (get_qualified_type): Add TYPE_CONTEXT check.

testsuite:
	* objc.dg/proto-hier-2.m: New test.

From-SVN: r56475

gcc/ChangeLog

+2002-08-20  Devang Patel  <dpatel@apple.com>
+	* tree.c (get_qualified_type): Add TYPE_CONTEXT check.
+	
 2002-08-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* arc.c (output_shift): Use stdio instead of asm_fprintf.

gcc/testsuite/ChangeLog

+2002-08-20  Devang Patel  <dpatel@apple.com>
+	* objc.dg/proto-hier-2.m: New test.
+	
 2002-08-19  Ziemowit Laski  <zlaski@apple.com>
 
 	* objc.dg/bitfield-1.m: New test.

gcc/testsuite/objc.dg/proto-hier-2.m

+/* Test protocol warning.  */
+/* Contributed by Devang Patel <dpatel@apple.com>.  */
+/* { dg-do compile } */
+
+typedef struct objc_object { struct objc_class *class_pointer; } *id;
+
+@protocol Bar
+@end
+
+id <Bar> Foo_Bar () { }
+
+typedef struct
+{
+        int i;
+} MyStruct;
+
+@interface Foo
+{
+  id _mainData;
+  MyStruct *_anotherData;
+}
+
+-(id) mainDataSource;
+-(id) anotherDataSource;
+-(id) my_method: (int) i;
+@end
+
+@implementation Foo
+-(id) anotherDataSource
+{
+        return (id)_anotherData;
+}
+
+-(id) mainDataSource
+{
+        return _mainData;
+}
+
+-(id) my_method: (int) i
+{
+  id one = [self anotherDataSource];
+
+  i = i - 1;
+  // Do not issue warning about my_method not implemented by protocol
+  return [(one ? [self mainDataSource] : one) my_method:i];
+}
+
+@end
+

gcc/tree.c

@@ -2832,7 +2832,8 @@ get_qualified_type (type, type_quals)
      like the one we need to have.  If so, use that existing one.  We must
      preserve the TYPE_NAME, since there is code that depends on this.  */
   for (t = TYPE_MAIN_VARIANT (type); t; t = TYPE_NEXT_VARIANT (t))
-    if (TYPE_QUALS (t) == type_quals && TYPE_NAME (t) == TYPE_NAME (type))
+    if (TYPE_QUALS (t) == type_quals && TYPE_NAME (t) == TYPE_NAME (type)
+        && TYPE_CONTEXT (t) == TYPE_CONTEXT (type))
       return t;
 
   return NULL_TREE;