[GCC 4.8] Initial check-in of GCC 4.8.0

Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771

1 files changed, 34 insertions, 0 deletions

diff --git a/gcc-4.8/gcc/testsuite/obj-c++.dg/method-16.mm b/gcc-4.8/gcc/testsuite/obj-c++.dg/method-16.mm
new file mode 100644
index 000000000..aceefcdc7
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/obj-c++.dg/method-16.mm
@@ -0,0 +1,34 @@
+
+/* Ensure that we indeed cannot obtain the value of a message send
+   if the chosen method signature returns 'void'.  There used to
+   exist a cheesy hack that allowed it.  While at it, check that
+   the first lexically occurring method signature gets picked
+   when sending messages to 'id'.  */ 
+/* Contributed by Ziemowit Laski <zlaski@apple.com>  */
+/* { dg-do compile } */
+
+#include <objc/objc.h>
+
+@interface Object1
+- (void)initWithData:(Object1 *)data;
+@end
+
+@interface Object2
+- (id)initWithData:(Object1 *)data;
+@end
+
+@interface Object3
+- (id)initWithData:(Object2 *)data;
+@end
+
+void foo(void) {
+  id obj1, obj2 = 0;
+  obj2 = [obj1 initWithData: obj2];
+     /* { dg-warning "multiple methods named .\\-initWithData:. found" "" { target *-*-* } 26 } */
+     /* { dg-message "using .\\-\\(void\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 13 } */
+     /* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 17 } */
+     /* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object2 \\*\\)data." "" { target *-*-* } 21 } */
+
+     /* The following error is a consequence of picking the "wrong" method signature.  */
+     /* { dg-error "void value not ignored as it ought to be" "" { target *-*-* } 26 } */
+}