hg: jdk8u/hs-dev/hotspot: 8031752: Failed speculative optimizations should be reattempted when root of compilation is different

[roland.westrelin at oracle.com]

Changeset: b8413a9cbb84
Author:    roland
Date:      2014-02-25 18:16 +0100
URL:       http://hg.openjdk.java.net/jdk8u/hs-dev/hotspot/rev/b8413a9cbb84

8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

! src/share/vm/ci/ciClassList.hpp
! src/share/vm/ci/ciMethodData.cpp
! src/share/vm/ci/ciMethodData.hpp
! src/share/vm/interpreter/bytecodeTracer.cpp
! src/share/vm/oops/instanceKlass.cpp
! src/share/vm/oops/instanceKlass.hpp
! src/share/vm/oops/methodData.cpp
! src/share/vm/oops/methodData.hpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/doCall.cpp
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/graphKit.hpp
! src/share/vm/runtime/deoptimization.cpp
! src/share/vm/runtime/deoptimization.hpp
! src/share/vm/runtime/globals.hpp
+ test/compiler/uncommontrap/TestSpecTrapClassUnloading.java