hg: amber/amber: bug on record class reading

[vicente.romero at oracle.com]

Changeset: a2e239a39bb0
Author:    vromero
Date:      2019-06-12 10:01 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/a2e239a39bb0

bug on record class reading
Reviewed-by: vromero
Contributed-by: jan.lahoda at oracle.com

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java
+ test/langtools/tools/javac/datum/writeread/Record.java
+ test/langtools/tools/javac/datum/writeread/WriteReadTest.java