hg: jdk9/dev/langtools: 8167070: Performance regression in compound scopes

[maurizio.cimadamore at oracle.com]

Changeset: 076a0354bedb
Author:    mcimadamore
Date:      2016-10-05 13:06 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/076a0354bedb

8167070: Performance regression in compound scopes
Summary: Extra call to inner scope's hasNext() causes performance regression
Reviewed-by: jlahoda

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