From 1811e33d11ff8f24744125adafc956b0ef464b92 Mon Sep 17 00:00:00 2001
From: Zdenek Zambersky <zzambers@redhat.com>
Date: Wed, 19 Nov 2025 18:34:37 +0100
Subject: [PATCH] Backport 44f94ee8bc6c934be1f4435227a81e6072361110

---
 jdk/src/share/native/com/sun/java/util/jar/pack/constants.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h b/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h
index f1a1f73edff..536003b53cd 100644
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h
@@ -223,7 +223,7 @@ enum {
     AO_HAVE_FIELD_FLAGS_HI    = 1<<10,
     AO_HAVE_METHOD_FLAGS_HI   = 1<<11,
     AO_HAVE_CODE_FLAGS_HI     = 1<<12,
-    AO_UNUSED_MBZ             = (-1)<<13, // options bits reserved for future use.
+    AO_UNUSED_MBZ             = (int)((~0U)<<13), // options bits reserved for future use.
 
 #define ARCHIVE_BIT_DO(F) \
          F(AO_HAVE_SPECIAL_FORMATS) \