From d14512a6ba7faac512f33aba3f2b6fcc673b444f Mon Sep 17 00:00:00 2001
From: stefank <unknown>
Date: Mon, 19 Aug 2013 13:44:13 +0200
Subject: [PATCH] 8023227: Enhance layout_helper_log2_element_size assert
 Reviewed-by: mgerdin, jmasa

---
 src/share/vm/oops/klass.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/share/vm/oops/klass.hpp b/src/share/vm/oops/klass.hpp
index 1ca027a37..00b208b4e 100644
--- a/src/share/vm/oops/klass.hpp
+++ b/src/share/vm/oops/klass.hpp
@@ -352,7 +352,8 @@ class Klass : public Metadata {
   static int layout_helper_log2_element_size(jint lh) {
     assert(lh < (jint)_lh_neutral_value, "must be array");
     int l2esz = (lh >> _lh_log2_element_size_shift) & _lh_log2_element_size_mask;
-    assert(l2esz <= LogBitsPerLong, "sanity");
+    assert(l2esz <= LogBitsPerLong,
+        err_msg("sanity. l2esz: 0x%x for lh: 0x%x", (uint)l2esz, (uint)lh));
     return l2esz;
   }
   static jint array_layout_helper(jint tag, int hsize, BasicType etype, int log2_esize) {
-- 
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