Nullpointers not checked

[Christian Thalinger]

On Mon, 2010-03-08 at 10:30 +0100, Christian Thalinger wrote:
> On Sun, 2010-03-07 at 09:04 +0100, Helmut Eller wrote:
> > The attached program crashes with this message:
> > 
> > #
> > # A fatal error has been detected by the Java Runtime Environment:
> > #
> > #  Internal Error (sharedRuntime.cpp:586), pid=4116, tid=3072834448
> > #  Error: guarantee(cb->is_adapter_blob(),"exception happened outside interpreter, nmethods and vtable stubs (1)")
> > #
> > # JRE version: 7.0
> > # Java VM: OpenJDK Server VM (17.0-b05 interpreted mode linux-x86 )
> > # An error report file with more information is saved as:
> > # /tmp/hs_err_pid4116.log
> 
> Yes, that is a bug.  The null-pointer check is there but the implicit
> null-pointer exception in the MethodHandle adapter is not recognized.
> 
> I will fix that as part of 6932091.

The fix got bigger than I thought so I created a new bug for this:

6934494: JSR 292 MethodHandles adapters should be generated into their
own CodeBlob

Review will happen on the hotspot-compiler-dev alias.

-- Christian