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From "Andrew Cornwall (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5654) [classlib][pack200] Init methods cannot be synchronized
Date Wed, 26 Mar 2008 18:05:34 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Cornwall updated HARMONY-5654:
-------------------------------------

    Attachment: pack200.pack.gz

pack200.pack.gz data which leads to synchronized <init> method

> [classlib][pack200] Init methods cannot be synchronized
> -------------------------------------------------------
>
>                 Key: HARMONY-5654
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5654
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: All pack200
>            Reporter: Andrew Cornwall
>         Attachments: pack200.pack.gz
>
>
> In the current code, it's possible for a CPMethod  <init> to be emitted as synchronized.
This will not pass Sun's verification. For instance, if you run pack200 on itself, NewAttributeBands$LayoutElement
in the following will be emitted with a synchronized <init>.
> I've temporarily hacked this with the following code in CPMethod:
> 	public CPMethod(CPUTF8 name, CPUTF8 descriptor, long flags, List attributes) {
> 		// TODO Check that we only pass these on, or remap
>         super(name, descriptor, 0x7FFF & flags, attributes);
> 	    if(name.underlyingString().equals("<init>")) {
> 	        // hack hack - init should never be synchronized
> 	        SegmentUtils.debug("Hacking off synchronized on an init method");
> 	        this.flags = (short)(this.flags & 0x7FDF);
> 	    }
> 	}
> but I really need to look into it more deeply and find out why the 0x20 flag is being
passed in. (This may end up being an encoding issue, but I need to look more first).

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