src/share/vm/opto/block.cpp

rev 11496 : 8157306: Random infrequent null pointer exceptions in javac
Reviewed-by: kvn

@@ -1210,10 +1210,13 @@
       Node *n = block->get_node(j);
       assert(get_block_for_node(n) == block, "");
       if (j >= 1 && n->is_Mach() && n->as_Mach()->ideal_Opcode() == Op_CreateEx) {
         assert(j == 1 || block->get_node(j-1)->is_Phi(), "CreateEx must be first instruction in block");
       }
+      if (n->needs_anti_dependence_check()) {
+        verify_anti_dependences(block, n);
+      }
       for (uint k = 0; k < n->req(); k++) {
         Node *def = n->in(k);
         if (def && def != n) {
           assert(get_block_for_node(def) || def->is_Con(), "must have block; constants for debug info ok");
           // Verify that instructions in the block is in correct order.