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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HARMONY-3081) [drlvm] support option -Xfuture for compatibility with RI
Date Tue, 30 Jan 2007 11:07:33 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gregory Shimansky reassigned HARMONY-3081:
------------------------------------------

    Assignee: Gregory Shimansky

> [drlvm] support option -Xfuture for compatibility with RI
> ---------------------------------------------------------
>
>                 Key: HARMONY-3081
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3081
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Windows/ia32, Linux/ia32
>            Reporter: Ivan Popov
>         Assigned To: Gregory Shimansky
>            Priority: Minor
>         Attachments: add_option_-Xfuture.patch
>
>
> J2SE documentation for java launcher [1] describes option -Xfuture:
> -Xfuture
> Perform strict class-file format checks. For purposes of backwards compatibility, the
default format checks performed by the Java 2 SDK's virtual machine are no stricter than the
checks performed by 1.1.x versions of the JDK software. The -Xfuture flag turns on stricter
class-file format checks that enforce closer conformance to the class-file format specification.
Developers are encouraged to use this flag when developing new code because the stricter checks
will become the default in future releases of the Java application launcher.
> But DRLVM rejects this option:
> > java -Xfuture HelloWorld
> Unknown option -Xfuture
> Use java -help to get help on command line options
> Since developers are encouraged to use this option, this may prevents them from using
Harmony/DRLVM in their work. It makes sense to enable this option in DRLVM.
> [1] http://java.sun.com/j2se/1.5.0/docs/tooldocs/windows/java.html

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