1 files changed, 5 insertions, 22 deletions

diff --git a/src/share/vm/opto/memnode.cpp b/src/share/vm/opto/memnode.cpp
index 3a6d4998b..7330f77ff 100644
--- a/src/share/vm/opto/memnode.cpp
+++ b/src/share/vm/opto/memnode.cpp
@@ -306,33 +306,16 @@ Node *MemNode::Ideal_common(PhaseGVN *phase, bool can_reshape) {
     int alias_idx = phase->C->get_alias_index(t_adr->is_ptr());
   }
 
-#ifdef ASSERT
   Node* base = NULL;
-  if (address->is_AddP())
+  if (address->is_AddP()) {
     base = address->in(AddPNode::Base);
+  }
   if (base != NULL && phase->type(base)->higher_equal(TypePtr::NULL_PTR) &&
       !t_adr->isa_rawptr()) {
     // Note: raw address has TOP base and top->higher_equal(TypePtr::NULL_PTR) is true.
-    Compile* C = phase->C;
-    tty->cr();
-    tty->print_cr("===== NULL+offs not RAW address =====");
-    if (C->is_dead_node(this->_idx))    tty->print_cr("'this' is dead");
-    if ((ctl != NULL) && C->is_dead_node(ctl->_idx)) tty->print_cr("'ctl' is dead");
-    if (C->is_dead_node(mem->_idx))     tty->print_cr("'mem' is dead");
-    if (C->is_dead_node(address->_idx)) tty->print_cr("'address' is dead");
-    if (C->is_dead_node(base->_idx))    tty->print_cr("'base' is dead");
-    tty->cr();
-    base->dump(1);
-    tty->cr();
-    this->dump(2);
-    tty->print("this->adr_type():     "); adr_type()->dump(); tty->cr();
-    tty->print("phase->type(address): "); t_adr->dump(); tty->cr();
-    tty->print("phase->type(base):    "); phase->type(address)->dump(); tty->cr();
-    tty->cr();
-  }
-  assert(base == NULL || t_adr->isa_rawptr() ||
-        !phase->type(base)->higher_equal(TypePtr::NULL_PTR), "NULL+offs not RAW address?");
-#endif
+    // Skip this node optimization if its address has TOP base.
+    return NodeSentinel; // caller will return NULL
+  }
 
   // Avoid independent memory operations
   Node* old_mem = mem;