Index: tests/RuntimeTests.m
==================================================================
--- tests/RuntimeTests.m
+++ tests/RuntimeTests.m
@@ -96,13 +96,12 @@
 		value = 0xDEADBEF;
 	else
 		abort();
 
 	TEST(@"Tagged pointers",
-	    R(cid1 = objc_registerTaggedPointerClass([OFString class])) &&
-	    R(cid2 = objc_registerTaggedPointerClass([OFNumber class])) &&
-	    cid1 != -1 && cid2 != -1 &&
+	    (cid1 = objc_registerTaggedPointerClass([OFString class])) != -1 &&
+	    (cid2 = objc_registerTaggedPointerClass([OFNumber class])) != -1 &&
 	    (object = objc_createTaggedPointer(cid2, (uintptr_t)value)) &&
 	    object_getTaggedPointerClass(object) == [OFNumber class] &&
 	    [object class] == [OFNumber class] &&
 	    object_getTaggedPointerValue(object) == value &&
 	    objc_createTaggedPointer(cid2, UINTPTR_MAX >> 4) != nil &&