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From 3bd88f93a90876f8ead05de40816da0bd1e39aac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Draszik?= <andre.draszik@jci.com>
Date: Mon, 13 Aug 2018 11:49:26 +0100
Subject: [PATCH] hotspot/zero: fix undefined behaviour (gcc v8 fix)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Backport patch from
https://bugs.openjdk.java.net/browse/JDK-8202600
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/ca4663e58916
to address segfaults due to undefined behaviour.
|# HG changeset patch
|# User sgehwolf
|# Date 1525366788 -7200
|# Node ID ca4663e589160509d6aef8ec890815e1330b97bc
|# Parent a27880c1288ba776f65748b68c198df97427f950
8202600: [Zero] Undefined behaviour in src/os_cpu/linux_zero/vm/os_linux_zero.cpp
Reviewed-by: stuefe, shade, dholmes
Signed-off-by: André Draszik <andre.draszik@jci.com>
Upstream-Status: Backport [http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/ca4663e58916]
---
hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp b/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp
index 1d069c6d..8dcf9d44 100644
--- a/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp
+++ b/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp
@@ -408,6 +408,7 @@ void os::print_register_info(outputStream *st, void *context) {
extern "C" {
int SpinPause() {
+ return 0; // Shouldn't matter.
}
--
2.18.0
|