From 1fa1097d45afa2fe2bfd989fbd90578f5c5fc540 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Draszik?= Date: Mon, 13 Aug 2018 12:14:21 +0100 Subject: [PATCH] hotspot/aarch64: fix undefined behaviour (gcc v8 fix) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Backport patch from http://hg.openjdk.java.net/aarch64-port/jdk8u/hotspot/rev/253b0c304db6 to address segfaults due to undefined behaviour. |# HG changeset patch |# User shade |# Date 1526068247 -7200 |# Node ID 253b0c304db6d31be3d3d7cf7cf1b3561a16dc3a |# Parent 1ced2ae00e35e6f855175fc44500b37fbac9e314 UB in os_linux_aarch64.cpp SpinPause Reviewed-by: aph, shade, adinn Signed-off-by: André Draszik Upstream-Status: Backport [http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/ca4663e58916] --- hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp b/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp index 8b985693..f536817e 100644 --- a/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp +++ b/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp @@ -699,6 +699,7 @@ void os::verify_stack_alignment() { extern "C" { int SpinPause() { + return 0; } void _Copy_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) { -- 2.18.0