From 4408c2610784bf0ba503ac53b629b748b7bf202f Mon Sep 17 00:00:00 2001
From: Severin Gehwolf <sgehwolf@redhat.com>
Date: Thu, 13 Feb 2020 18:17:41 +0100
Subject: [PATCH] Add patch for JDK-8218811, which fixes a GCC 10 build issue

---
 java-1.8.0-openjdk.spec           |  4 ++++
 jdk8218811-perfMemory_linux.patch | 12 ++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 jdk8218811-perfMemory_linux.patch

diff --git a/java-1.8.0-openjdk.spec b/java-1.8.0-openjdk.spec
index 3297900..fa7bcfa 100644
--- a/java-1.8.0-openjdk.spec
+++ b/java-1.8.0-openjdk.spec
@@ -1120,6 +1120,9 @@ Patch400: pr3183-rh1340845-support_fedora_rhel_system_crypto_policy.patch
 Patch401: pr3655-toggle_system_crypto_policy.patch
 # JDK-8219772: EXTRA_CFLAGS not being picked up for assembler files
 Patch110: jdk8219772-extra_c_cxx_flags_not_picked_for_assembler_source.patch
+# JDK-8218811: replace open by os::open in hotspot coding
+# This fixes a GCC 10 build issue
+Patch111: jdk8218811-perfMemory_linux.patch
 
 #############################################
 #
@@ -1543,6 +1546,7 @@ sh %{SOURCE12}
 %patch575
 %patch577
 %patch110
+%patch111
 
 # RPM-only fixes
 %patch539
diff --git a/jdk8218811-perfMemory_linux.patch b/jdk8218811-perfMemory_linux.patch
new file mode 100644
index 0000000..7b3d2f7
--- /dev/null
+++ b/jdk8218811-perfMemory_linux.patch
@@ -0,0 +1,12 @@
+diff --git openjdk.orig/hotspot/src/os/linux/vm/perfMemory_linux.cpp openjdk/hotspot/src/os/linux/vm/perfMemory_linux.cpp
+--- openjdk.orig/hotspot/src/os/linux/vm/perfMemory_linux.cpp
++++ openjdk/hotspot/src/os/linux/vm/perfMemory_linux.cpp
+@@ -878,7 +878,7 @@
+ 
+   // open the file
+   int result;
+-  RESTARTABLE(::open(filename, oflags), result);
++  RESTARTABLE(::open(filename, oflags, 0), result);
+   if (result == OS_ERR) {
+     if (errno == ENOENT) {
+       THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),