hg: tiered-attrib/dev/langtools: generate a different hash for each type variable

[vicente.romero at oracle.com]

Changeset: f29c4dc01b10
Author:    vromero
Date:      2015-08-06 14:42 -0700
URL:       http://hg.openjdk.java.net/tiered-attrib/dev/langtools/rev/f29c4dc01b10

generate a different hash for each type variable

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