diff --git a/java-1.8.0-openjdk.spec b/java-1.8.0-openjdk.spec
index a58ef4c..603b6e8 100644
--- a/java-1.8.0-openjdk.spec
+++ b/java-1.8.0-openjdk.spec
@@ -347,9 +347,9 @@
 %global updatever       %(VERSION=%{whole_update}; echo ${VERSION##*u})
 # eg jdk8u60-b27 -> b27
 %global buildver        %(VERSION=%{version_tag}; echo ${VERSION##*-})
-%global rpmrelease      1
+%global rpmrelease      2
 # Settings used by the portable build
-%global portablerelease 1
+%global portablerelease 2
 %global portablerhel 8
 %global portablesuffix el%{portablerhel}
 %global portablebuilddir /builddir/build/BUILD
@@ -1406,6 +1406,8 @@ Patch534: rh1648246-always_instruct_vm_to_assume_multiple_processors_are_availab
 Patch1000: rh1648249-add_commented_out_nss_cfg_provider_to_java_security.patch
 # RH1582504: Use RSA as default for keytool, as DSA is disabled in all crypto policies except LEGACY
 Patch1003: rh1582504-rsa_default_for_keytool.patch
+# RH1750419: Enable build of speculative store bypass hardened alt-java (CVE-2018-3639)
+Patch600: rh1750419-redhat_alt_java.patch
 
 # Crypto policy and FIPS support patches
 # Patch is generated from the fips tree at https://github.com/rh-openjdk/jdk8u/tree/fips
@@ -1453,8 +1455,8 @@ Patch528: pr3083-rh1346460-for_ssl_debug_return_null_instead_of_exception_when_t
 Patch539: pr2888-rh2055274-support_system_cacerts-%{cacertsver}.patch
 # RH1684077, JDK-8009550: Depend on pcsc-lite-libs instead of pcsc-lite-devel as this is only in optional repo
 Patch541: rh1684077-openjdk_should_depend_on_pcsc-lite-libs_instead_of_pcsc-lite-devel.patch
-# RH1750419: Enable build of speculative store bypass hardened alt-java (CVE-2018-3639)
-Patch600: rh1750419-redhat_alt_java.patch
+# JDK-8385876: [8u] hotspot/src/share/vm/code/compiledIC.cpp:406:30: error: 'this' pointer is null
+Patch542: jdk8385876-zero_this_pointer_is_null.patch
 
 #############################################
 #
@@ -1972,6 +1974,7 @@ pushd %{top_level_dir_name}
 %patch -P502 -p1
 %patch -P14 -p1
 %patch -P15 -p1
+%patch -P542 -p1
 popd
 
 # Early fixes
@@ -2716,6 +2719,10 @@ cjc.mainProgram(args)
 %endif
 
 %changelog
+* Wed Jul 15 2026 Andrew Hughes <gnu.andrew@redhat.com> - 1:1.8.0.492.b09-2
+- Add attempted patch for JDK-8385876 to fix -Wnonnull build failure with s390x Zero on CentOS 9
+- Resolves: RHEL-212354
+
 * Fri Apr 17 2026 Andrew Hughes <gnu.andrew@redhat.com> - 1:1.8.0.492.b09-1
 - Update to 8u492-b09 (GA)
 - Update release notes for 8u492-b09.
diff --git a/jdk8385876-zero_this_pointer_is_null.patch b/jdk8385876-zero_this_pointer_is_null.patch
new file mode 100644
index 0000000..84bf5ef
--- /dev/null
+++ b/jdk8385876-zero_this_pointer_is_null.patch
@@ -0,0 +1,28 @@
+diff --git a/hotspot/src/share/vm/code/compiledIC.cpp b/hotspot/src/share/vm/code/compiledIC.cpp
+index 63821c0613..b0e3d057ca 100644
+--- a/hotspot/src/share/vm/code/compiledIC.cpp
++++ b/hotspot/src/share/vm/code/compiledIC.cpp
+@@ -403,7 +403,8 @@ void CompiledIC::set_to_monomorphic(CompiledICInfo& info) {
+       assert(info.cached_metadata() != NULL && info.cached_metadata()->is_method(), "sanity check");
+       CompiledStaticCall* csc = compiledStaticCall_at(instruction_address());
+       methodHandle method (thread, (Method*)info.cached_metadata());
+-      csc->set_to_interpreted(method, info.entry());
++      // Compiler sees 'this' as null on Zero but it should never actually get called
++      NOT_ZERO(csc->set_to_interpreted(method, info.entry()));
+       if (TraceICs) {
+          ResourceMark rm(thread);
+          tty->print_cr ("IC@" INTPTR_FORMAT ": monomorphic to interpreter: %s",
+diff --git a/hotspot/src/share/vm/runtime/sharedRuntime.cpp b/hotspot/src/share/vm/runtime/sharedRuntime.cpp
+index a136da9054..39fb84628b 100644
+--- a/hotspot/src/share/vm/runtime/sharedRuntime.cpp
++++ b/hotspot/src/share/vm/runtime/sharedRuntime.cpp
+@@ -1319,7 +1319,8 @@ methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread,
+         }
+       } else {
+         CompiledStaticCall* ssc = compiledStaticCall_before(caller_frame.pc());
+-        if (ssc->is_clean()) ssc->set(static_call_info);
++        // Compiler sees 'this' as null on Zero but it should never actually get called
++        NOT_ZERO(if (ssc->is_clean()) ssc->set(static_call_info));
+       }
+     }
+