1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/bitfield-3.mm b/gcc/testsuite/obj-c++.dg/bitfield-3.mm
new file mode 100644
index 000000000..d81976ab6
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/bitfield-3.mm
@@ -0,0 +1,56 @@
+/* Check if bitfield ivars are correctly @encode'd when
+   the NeXT runtime is used.  */
+/* Contributed by Ziemowit Laski <zlaski@apple.com>.  */
+/* { dg-do run { target *-*-darwin* } } */
+/* { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } } */
+/* { dg-options "-fsigned-char" } */
+
+typedef struct objc_object { struct objc_class *class_pointer; } *id;
+
+#include <stdlib.h>
+#include <string.h>
+
+#define CHECK_IF(expr) if(!(expr)) abort();
+
+@interface Base 
+{
+    struct objc_class *isa;
+    int full;
+    int full2: 32;
+    int _refs: 8;
+    int field2: 3;
+    unsigned f3: 8;
+    short cc;
+    unsigned g: 16;
+    int r2: 8;
+    int r3: 8;
+    int r4: 2;
+    int r5: 8;
+    char c;
+}
+@end
+
+@interface Derived: Base
+{
+    char d;
+    int _field3: 6;
+}
+@end
+
+@implementation Base
+@end
+
+@implementation Derived
+@end
+
+int main(void) {
+  const char *s1r = "{Base=#ib32b8b3b8sb16b8b8b2b8c}";
+  const char *s1 = @encode(Base);
+  const char *s2r = "{Derived=#ib32b8b3b8sb16b8b8b2b8ccb6}";
+  const char *s2 = @encode(Derived);
+
+  CHECK_IF(!strcmp(s1r, s1));
+  CHECK_IF(!strcmp(s2r, s2));
+
+  return 0;
+}