1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/id-1.m b/gcc/testsuite/objc.dg/id-1.m
new file mode 100644
index 000000000..2bfcc63f9
--- /dev/null
+++ b/gcc/testsuite/objc.dg/id-1.m
@@ -0,0 +1,7 @@
+/* Test attempt to redefine 'id' in an incompatible fashion.  */
+/* { dg-do compile } */
+
+typedef int id;  /* { dg-error "conflicting types for .id." } */
+/* { dg-message "previous declaration of .id. was here" "" { target *-*-* } 0 } */
+
+id b;