hg: jdk9/dev/langtools: 8176045: No compile error when a package is not declared

[jan.lahoda at oracle.com]

Changeset: d457e90d4906
Author:    jlahoda
Date:      2017-03-14 08:19 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/d457e90d4906

8176045: No compile error when a package is not declared
Summary: Fixing handling of otherwise empty files with package clauses and empty files without package clauses.
Reviewed-by: jjg

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java
! test/tools/javac/modules/EdgeCases.java