hg: tiered-attrib/dev/langtools: reactivate assert at InferenceContext.notifyChange

[vicente.romero at oracle.com]

Changeset: 8f7260430bf1
Author:    vromero
Date:      2015-04-16 11:46 -0700
URL:       http://hg.openjdk.java.net/tiered-attrib/dev/langtools/rev/8f7260430bf1

reactivate assert at InferenceContext.notifyChange

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Infer.java