git: openjdk/lanai: 2 new changesets

[duke]

Changeset: 7eb4d4aa
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2020-09-15 10:52:50 +0000
URL:       https://git.openjdk.java.net/lanai/commit/7eb4d4aa

8247909: Improve PrimitiveConversions::cast using C++14

Reimpliment PrimitiveConversions::cast, with some cases now constexpr.
<!-- Anything below this marker will be automatically updated, please do not edit manually! -->
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### Progress
- [x] Change must not contain extraneous whitespace
- [x] Commit message must refer to an issue
- [ ] Change must be properly reviewed

### Issue
* [JDK-8247909](https://bugs.openjdk.java.net/browse/JDK-8247909): Improve PrimitiveConversions::cast using C++14


### Download
`$ git fetch https://git.openjdk.java.net/jdk pull/143/head:pull/143`
`$ git checkout pull/143`

Reviewed-by: dholmes, stefank

! src/hotspot/share/gc/z/zForwardingEntry.hpp
! src/hotspot/share/metaprogramming/primitiveConversions.hpp
! test/hotspot/gtest/metaprogramming/test_primitiveConversions.cpp
! test/hotspot/gtest/utilities/test_globalDefinitions.cpp

Changeset: 69998b37
Author:    duke <duke at openjdk.org>
Date:      2020-09-15 10:54:51 +0000
URL:       https://git.openjdk.java.net/lanai/commit/69998b37

Automatic merge of jdk:master into master