hg: jdk8/tl/jdk: 7189363: Regex Pattern compilation buggy for special sequences

[xueming.shen at oracle.com]

Changeset: 717ed00b7787
Author:    sherman
Date:      2012-08-09 10:15 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/717ed00b7787

7189363: Regex Pattern compilation buggy for special sequences
Summary: fixed the incorrect implementation in expr(...)
Reviewed-by: psandoz, alanb

! src/share/classes/java/util/regex/Pattern.java
! test/java/util/regex/RegExTest.java