From f94157aa381e0e2a3ac0d33c2db8453af00a798b Mon Sep 17 00:00:00 2001
From: Joel Dice <joel.dice@gmail.com>
Date: Tue, 19 Aug 2014 10:14:07 -0600
Subject: [PATCH] fix GC safety bug in jvmFillInStackTrace

This fixes spurious Trace test failures with openjdk-src build.
---
 src/classpath-openjdk.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/classpath-openjdk.cpp b/src/classpath-openjdk.cpp
index 993a881bb1..1385444746 100644
--- a/src/classpath-openjdk.cpp
+++ b/src/classpath-openjdk.cpp
@@ -3502,6 +3502,7 @@ uint64_t jvmFillInStackTrace(Thread* t, uintptr_t* arguments)
 {
   GcThrowable* throwable
       = cast<GcThrowable>(t, *reinterpret_cast<jobject>(arguments[0]));
+  PROTECT(t, throwable);
 
   object trace = getTrace(t, 2);
   throwable->setTrace(t, trace);