From da3d1eecc53f33ca3b05fdf56679ce4b2b4f0ea0 Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Sat, 13 Aug 2016 19:54:32 +0000
Subject: [PATCH] 5396 fix longjmp clobbering errors

illumos/illumos-gate@67a4bb8f9ad4c49e9aa9e21e2114a7c093c3a73a

Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Author: Gary Mills <gary_mills@fastmail.fm>
---
 lib/libdtrace/common/dt_cc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/libdtrace/common/dt_cc.c b/lib/libdtrace/common/dt_cc.c
index 5d38704ffeb6..0b4ded9ae03c 100644
--- a/lib/libdtrace/common/dt_cc.c
+++ b/lib/libdtrace/common/dt_cc.c
@@ -23,6 +23,7 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2013, Joyent Inc. All rights reserved.
  * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright 2015 Gary Mills
  */
 
 /*
@@ -2335,7 +2336,7 @@ dt_compile(dtrace_hdl_t *dtp, int context, dtrace_probespec_t pspec, void *arg,
 	dt_node_t *dnp;
 	dt_decl_t *ddp;
 	dt_pcb_t pcb;
-	void *rv;
+	void *volatile rv;
 	int err;
 
 	if ((fp == NULL && s == NULL) || (cflags & ~DTRACE_C_MASK) != 0) {