diff -r d934e4b931e9 -r 66b0e2371912 src/share/vm/opto/escape.cpp
--- a/src/share/vm/opto/escape.cpp	Wed Apr 20 09:29:00 2011 -0700
+++ b/src/share/vm/opto/escape.cpp	Wed Apr 20 18:29:35 2011 -0700
@@ -1437,7 +1437,10 @@
 
   // Update the memory inputs of MemNodes with the value we computed
   // in Phase 2 and move stores memory users to corresponding memory slices.
-#ifdef ASSERT
+
+  // Disable memory split verification code until the fix for 6984348.
+  // Currently it produces false negative results since it does not cover all cases.
+#if 0 // ifdef ASSERT
   visited.Reset();
   Node_Stack old_mems(arena, _compile->unique() >> 2);
 #endif
@@ -1447,7 +1450,7 @@
       Node *n = ptnode_adr(i)->_node;
       assert(n != NULL, "sanity");
       if (n->is_Mem()) {
-#ifdef ASSERT
+#if 0 // ifdef ASSERT
         Node* old_mem = n->in(MemNode::Memory);
         if (!visited.test_set(old_mem->_idx)) {
           old_mems.push(old_mem, old_mem->outcnt());
@@ -1469,13 +1472,13 @@
       }
     }
   }
-#ifdef ASSERT
+#if 0 // ifdef ASSERT
   // Verify that memory was split correctly
   while (old_mems.is_nonempty()) {
     Node* old_mem = old_mems.node();
     uint  old_cnt = old_mems.index();
     old_mems.pop();
-    assert(old_cnt = old_mem->outcnt(), "old mem could be lost");
+    assert(old_cnt == old_mem->outcnt(), "old mem could be lost");
   }
 #endif
 }