hg: amber/amber: allow overriding of accessors / equals / hashCode / toString, pass provided accessors to the extractor

[vicente.romero at oracle.com]

Changeset: e752ba81c19d
Author:    vromero
Date:      2019-03-24 15:25 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/e752ba81c19d

allow overriding of accessors / equals / hashCode / toString, pass provided accessors to the extractor

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
+ test/langtools/tools/javac/datum/RecordsCanReDeclareMembersTest.java
- test/langtools/tools/javac/datum/RecordsCantDeclareSomeMembersTest.java
- test/langtools/tools/javac/datum/RecordsCantDeclareSomeMembersTest.out