hg: jdk/submit: 8202832: cycle detection depends on ordering of requires directives

[jan.lahoda at oracle.com]

Changeset: 5b6bdc59f8cc
Author:    jlahoda
Date:      2018-05-29 10:53 +0200
URL:       http://hg.openjdk.java.net/jdk/submit/rev/5b6bdc59f8cc

8202832: cycle detection depends on ordering of requires directives
Summary: Ensuring cyclic dependencies among modules produce a compile-time error.
Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java
! test/langtools/tools/javac/modules/ModuleInfoTest.java