git: openjdk/jdk16: 8259025: Record compact constructor using Objects.requireNonNull

[Vicente Romero]

Changeset: 408772c9
Author:    Vicente Romero <vromero at openjdk.org>
Date:      2021-01-26 16:00:41 +0000
URL:       https://git.openjdk.java.net/jdk16/commit/408772c9

8259025: Record compact constructor using Objects.requireNonNull

Reviewed-by: mcimadamore

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! test/langtools/tools/javac/records/RecordCompilationTests.java