hg: valhalla/valhalla: 8206140: [lworld] Move return value null checks into the callee

[tobias.hartmann at oracle.com]

Changeset: d2aa5d494481
Author:    iklam
Date:      2018-07-26 10:31 +0200
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/d2aa5d494481

8206140: [lworld] Move return value null checks into the callee
Reviewed-by: thartmann

! src/hotspot/cpu/x86/templateTable_x86.cpp
! src/hotspot/share/interpreter/interpreterRuntime.cpp
! src/hotspot/share/interpreter/interpreterRuntime.hpp
! src/hotspot/share/oops/instanceKlass.cpp
! src/hotspot/share/oops/method.hpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/doCall.cpp
! src/hotspot/share/opto/type.cpp
! src/hotspot/share/opto/type.hpp
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestLWorld.java
+ test/hotspot/jtreg/compiler/valhalla/valuetypes/TestLWorld_mismatched.jasm