src/share/vm/opto/block.cpp

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

*** 1210,1219 ****
--- 1210,1222 ----
        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.