# HG changeset patch
# User kevinw
# Date 1457674853 -19800
#      Fri Mar 11 11:10:53 2016 +0530
# Node ID d90d35bb834460058a111f7c69904a873f3f1cd2
# Parent  ebd6745380b9b094b8af946f1340d1a8c5e686f9
8150002: Check for the validity of oop before printing it in verify_remembered_set
Summary: Adding missing check for valid oop.
Reviewed-by: dcubed
Contributed-by: Shafi Ahmad <shafi.s.ahmad@oracle.com>

diff --git a/src/share/vm/gc_implementation/g1/heapRegion.cpp b/src/share/vm/gc_implementation/g1/heapRegion.cpp
--- a/src/share/vm/gc_implementation/g1/heapRegion.cpp
+++ b/src/share/vm/gc_implementation/g1/heapRegion.cpp
@@ -794,7 +794,9 @@
                                  "in region "HR_FORMAT,
                                  (void*) obj,
                                  HR_FORMAT_PARAMS(to));
-          obj->print_on(gclog_or_tty);
+          if (obj->is_oop()) {
+            obj->print_on(gclog_or_tty);
+          }
           gclog_or_tty->print_cr("Obj head CTE = %d, field CTE = %d.",
                         cv_obj, cv_field);
           gclog_or_tty->print_cr("----------");