build error on linux, nmethod.cpp

[Christian Thalinger]

On Sat, 2010-01-02 at 06:11 -0800, Deneau, Tom wrote:
> When I pulled from http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot
> and then tried to compile on linux, I got the following new error...
> 
>   cc1plus: warnings being treated as errors
>   /hotspot-comp-latest/src/share/vm/code/nmethod.cpp: In member function 'bool nmethod::make_not_entrant_or_zombie(int)':
>   /hotspot-comp-latest/src/share/vm/code/nmethod.cpp:1197: warning: comparison between signed and unsigned integer expressions
> 
> I am using
>    gcc version 4.1.2 20070502 (Red Hat 4.1.2-12)
> 
> # hg tip
> changeset:   1102:1ea456c6f2b7
> tag:         tip
> parent:      1101:cf9a9a50e763
> parent:      1098:032260830071
> user:        iveresov
> date:        Tue Dec 22 17:56:03 2009 -0800
> summary:     Merge

This was introduced by:

http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/032260830071

Maybe we should change the argument type to unsigned int.

-- Christian