From 83cd7a3fc1b077d1abff2bb7314282382b444838 Mon Sep 17 00:00:00 2001
From: Boris Ulasevich <bulasevich@openjdk.org>
Date: Tue, 22 Jan 2019 10:42:41 +0300
Subject: [PATCH] 8214235: arm32: assertion in collectedHeap.cpp: attempt to
 clean empty remainder

Reviewed-by: phh, pliden
---
 src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
index 408234f13fa..5b12c3f5fc7 100644
--- a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
+++ b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
@@ -91,7 +91,9 @@ void ThreadLocalAllocBuffer::accumulate_and_reset_statistics(ThreadLocalAllocSta
 
 void ThreadLocalAllocBuffer::insert_filler() {
   assert(end() != NULL, "Must not be retired");
-  Universe::heap()->fill_with_dummy_object(top(), hard_end(), true);
+  if (top() < hard_end()) {
+    Universe::heap()->fill_with_dummy_object(top(), hard_end(), true);
+  }
 }
 
 void ThreadLocalAllocBuffer::make_parsable() {