hg: jdk7/tl/langtools: 4741726: allow Object += String

[jonathan.gibbons at sun.com]

Changeset: f09d6a3521b1
Author:    jjg
Date:      2008-03-06 10:07 -0800
URL:       http://hg.openjdk.java.net/jdk7/tl/langtools/rev/f09d6a3521b1

4741726: allow Object += String
Summary: remove code in line with restriction removed from JLS
Reviewed-by: mcimadamore
Contributed-by: michaelbailey0 at gmail.com

! src/share/classes/com/sun/tools/javac/comp/Attr.java
+ test/tools/javac/StringConversion2.java
- test/tools/javac/expression/ObjectAppend.java