lambda-repo workaround [was Re: Can't get lambda forest to work]

[Andrew Haley]

On 06/17/2010 11:42 AM, Maurizio Cimadamore wrote:
> Hi
> as you might now, there are problems in compiling and running code 
> containing lambda. Those problems are not due to the lambda prototype 
> itself; rather, they are caused by some missing bits in the jdk 
> repository that we are going to push soon (those are required for 
> hotspot to work correctly). As a result, any hotspot build >= b94 will 
> fail with the following message:
> 
> Invalid layout of java.dyn.CallSite at target
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  Internal Error (javaClasses.cpp:48), pid=10544, tid=140152714426128
> #  fatal error: Invalid layout of preloaded class
> #
> # JRE version: 7.0
> # Java VM: OpenJDK 64-Bit Server VM (19.0-b01 mixed mode linux-amd64 )
> # An error report file with more information is saved as:
> # /home/aph/hs_err_pid10544.log
> #
> # If you would like to submit a bug report, please visit:
> #http://java.sun.com/webapps/bugreport/crash.jsp
> #
> 
> 
> In order to get rid of this problem, an earlier hotspot (b93) needs to 
> be used. A simple way to workaround this issue is to follow the 
> procedure below:
> 
> *) 'cd' to the 'hotspot' folder of the lambda repository
> *) type 'hg update jdk7-b93'
> *) now 'cd' to the root of the lambda repository
> *) start a full build (ensure that the build parameter 'BUILD_HOTSPOT' 
> is set to 'true')
> 
> When the build completes you will have a full working lambda repository.
> 
> I hope this helps.

Thanks; your help is much appreciated.

Andrew.