# HG changeset patch
# User thartmann
# Date 1495437839 -7200
# Node ID 31c842513336daac11e54dff5fca52b7f81fd2bd
# Parent  286c8e80795b6a243f155ff5ae219172c6905fa1
8180575: Null pointer dereference in LoadNode::Identity()
Summary: Fixed a missing null check on the return value of AddPNode::Ideal_base_and_offset() found by Parfait.
Reviewed-by: kvn

diff -r 286c8e80795b -r 31c842513336 src/share/vm/opto/memnode.cpp
--- a/src/share/vm/opto/memnode.cpp	Mon May 22 09:18:12 2017 +0200
+++ b/src/share/vm/opto/memnode.cpp	Mon May 22 09:23:59 2017 +0200
@@ -1123,6 +1123,9 @@
       // Use _idx of address base (could be Phi node) for boxed values.
       intptr_t   ignore = 0;
       Node*      base = AddPNode::Ideal_base_and_offset(in(Address), phase, ignore);
+      if (base == NULL) {
+        return this;
+      }
       this_iid = base->_idx;
     }
     const Type* this_type = bottom_type();