hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: c5eb4e31268b
Author:    redestad
Date:      2020-05-25 22:21 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c5eb4e31268b

8245677: Optimize lookups in empty HashMaps
Reviewed-by: jlaskey, redestad
Contributed-by: christoph.dreis at freenet.de

! src/java.base/share/classes/java/util/HashMap.java
! src/java.base/share/classes/java/util/LinkedHashMap.java

Changeset: 9f2c88a0f721
Author:    redestad
Date:      2020-05-25 22:26 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9f2c88a0f721

8245678: Avoid allocations in Executable.getAllGenericParameterTypes
Reviewed-by: jlaskey, redestad
Contributed-by: christoph.dreis at freenet.de

! src/java.base/share/classes/java/lang/reflect/Executable.java