hg: jdk9/dev/langtools: 8167431: javac takes too long time to resolve interface dependency

[vicente.romero at oracle.com]

Changeset: 85a8bfb00296
Author:    vromero
Date:      2016-11-01 10:51 -0400
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/85a8bfb00296

8167431: javac takes too long time to resolve interface dependency
Reviewed-by: mcimadamore

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/util/Iterators.java