hg: amber/amber: small refactoring to reduce merge issues

[vicente.romero at oracle.com]

Changeset: 35841735961c
Author:    vromero
Date:      2018-10-07 09:30 -0700
URL:       http://hg.openjdk.java.net/amber/amber/rev/35841735961c

small refactoring to reduce merge issues

! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java