S RFR: Lambda: verification error in generated lambda classes

David Holmes david.holmes at oracle.com
Wed Aug 28 17:48:05 PDT 2013


Hi Karen,

I found the boolean logic very hard to follow there - not sure if the 
refactoring helped or hindered :)

But it looks okay.

David

On 29/08/2013 5:42 AM, Karen Kinnear wrote:
> Please review - lambda team needs this change to get in by tomorrow so
> they can push
> the (8010433) metafactory change which is waiting on the vm. Thanks.
>
>
> webrev: http://cr.openjdk.java.net/~acorn/8023872/webrev/
> http://bugs.sun.com/view_bug.do?bug_id=8023872
>
> Testing:
> The failure comes if you apply an early patch of 8010433 to the jdk and
> do not
> make the vm change. So testing included 4 binaries: master, newjdk,
> newvm, newjdkvm
>
> jtreg for SpinedBufferTest with various flags - these are the expected
> results below
> The key point is newjdk -Xverify: all fails
> newjdkvm -Xverify:all passes, but if you also turn on
> -XX:+VerifyLambdaBytecodes you see
>     the verification error
>
> 1. master
>   no flags: timed out
>   -Xverify:all: timed out
>   -XX:+VerifyReflectionBytecodes: VerifyError in reflection
>
> 2. newjdk
>   no flags: timed out
>   -Xverify:all
>     java.lang.BootstrapMethodError: call site initialization exception
> ... cause:
>       VerifyError: Bad invokespecial instruction: current class isn't
> assignable to reference class
>   -XX:+VerifyReflectionBytecodes: VerifyError in reflection
>
> 3. newvm
>    no flags: timed out
>    rerun.sh: -Xverify:all: passed
>    -XX:+VerifyReflectionBytecodes: VerifyError in reflection
>    -XX:+VerifyLambdaBytecodes: passed, didn't try verification
>    rerun.sh: -Xverify:all -XX:+VerifyLambdaBytecodes: passed
>
> 4. newjdkvm
>   rerun.sh: no flags: passed
>   rerun.verify.sh: -Xverify:all: passed
>   rerun.sh: -Xverify:all -XX:+VerifyLambdaBytecodes:
>     Verification for java.util.streamIntPipeline$7$1$$Lambda$9 failed
>
> regression testing:
> newvm:
>    vm.quick.testlist - in progress
>    jtreg java/util/stream - in progress
>    jprt -stree . - in progress
>
> newvmjdk (Brian testing in lambda repo) - in progress
>
> thanks,
> Karen
>


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