hg: amber/amber: dont allow return statements in canonical constructors

[vicente.romero at oracle.com]

Changeset: 6351a6bd9253
Author:    vromero
Date:      2019-09-06 16:25 -0400
URL:       https://hg.openjdk.java.net/amber/amber/rev/6351a6bd9253

dont allow return statements in canonical constructors

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