1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/proto-qual-1.mm b/gcc/testsuite/obj-c++.dg/proto-qual-1.mm
new file mode 100644
index 00000000000..68133aa4bc6
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/proto-qual-1.mm
@@ -0,0 +1,52 @@
+// APPLE LOCAL file Objective-C++
+/* Check that protocol qualifiers are compiled and encoded properly.  */
+/* Author: Ziemowit Laski <zlaski@apple.com>  */
+/* { dg-do run } */
+
+#include <objc/Protocol.h>
+#ifndef __NEXT_RUNTIME__
+#include <objc/objc-api.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+
+/* The encoded parameter sizes will be rounded up to match pointer alignment.  */
+#define ROUND(s,a) (a * ((s + a - 1) / a))
+#define aligned_sizeof(T) ROUND(sizeof(T),__alignof(void *))
+
+#define CHECK_IF(expr) if(!(expr)) abort()
+
+@protocol Retain
++ (oneway void)retainArgument:(out bycopy id)arg1 with:(in signed char **)arg2;
+- (bycopy) address:(byref inout id)location with:(out short unsigned **)arg2;
+@end
+
+@interface Foo <Retain>
++ (oneway void)retainArgument:(out bycopy id)arg with:(in signed char **)arg2;
+@end
+
+@implementation Foo
++ (oneway void)retainArgument:(out bycopy id)arg1 with:(in signed char **)arg2 { }
+- (bycopy) address:(byref inout id)location with:(out short unsigned **)arg2 { return nil; }
+@end
+
+Protocol *proto = @protocol(Retain);
+struct objc_method_description *meth;
+unsigned totsize, offs0, offs1, offs2, offs3, offs4, offs5, offs6, offs7;
+
+static void scan_initial(const char *pattern) {
+  totsize = offs0 = offs1 = offs2 = offs3 = offs4 = offs5 = offs6 = offs7 = (unsigned)-1;
+  sscanf(meth->types, pattern, &totsize, &offs0, &offs1, &offs2, &offs3,
+      &offs4, &offs5, &offs6, &offs7);
+  CHECK_IF(!offs0 && offs1 == aligned_sizeof(id) && offs2 == offs1 + aligned_sizeof(SEL) && totsize >= offs2);
+}
+
+int main(void) {
+  meth = [proto descriptionForInstanceMethod: @selector(address:with:)];
+  scan_initial("O@%u@%u:%uNR@%uo^^S%u");
+  CHECK_IF(offs3 == offs2 + aligned_sizeof(id) && totsize == offs3 + aligned_sizeof(unsigned));
+  meth = [proto descriptionForClassMethod: @selector(retainArgument:with:)];
+  scan_initial("Vv%u@%u:%uOo@%un^*%u");
+  CHECK_IF(offs3 == offs2 + aligned_sizeof(id) && totsize == offs3 + aligned_sizeof(char **));
+  return 0;
+}