hg: jdk7/hotspot-comp/hotspot: 6741738: TypePtr::add_offset() set incorrect offset when the add overflows

[vladimir.kozlov at sun.com]

Changeset: af945ba2e739
Author:    kvn
Date:      2008-08-27 14:47 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/af945ba2e739

6741738: TypePtr::add_offset() set incorrect offset when the add overflows
Summary: Set offset to OffsetBot when the add overflows in TypePtr::add_offset()
Reviewed-by: jrose, never

! src/share/vm/opto/addnode.cpp
! src/share/vm/opto/escape.cpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/type.cpp
! src/share/vm/opto/type.hpp
+ test/compiler/6741738/Tester.java