hg: amber/amber: allow return in canonical, non-compact, constructors

[vicente.romero at oracle.com]

Changeset: 9ab7ea5f4ba3
Author:    vromero
Date:      2019-11-29 11:20 -0500
URL:       https://hg.openjdk.java.net/amber/amber/rev/9ab7ea5f4ba3

allow return in canonical, non-compact, constructors

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