Error, Java 8, lambda form compilation

[Charles Oliver Nutter]

Unfortunately this just happened in one build, but I thought I'd post it
here for posterity.

Unhandled Java exception: java.lang.InternalError:
identity_L=Lambda(a0:L/SpeciesData<L>,a1:L,a2:L)=>{
     [exec]     t3:L=Species_L.argL0(a0:L);t3:L}
     [exec] java.lang.InternalError:
identity_L=Lambda(a0:L/SpeciesData<L>,a1:L,a2:L)=>{
     [exec]     t3:L=Species_L.argL0(a0:L);t3:L}
     [exec]    newInternalError at java/lang/invoke/MethodHandleStatics.java:127
     [exec]   compileToBytecode at java/lang/invoke/LambdaForm.java:660
     [exec]             prepare at java/lang/invoke/LambdaForm.java:635
     [exec]              <init> at java/lang/invoke/MethodHandle.java:461
     [exec]              <init> at java/lang/invoke/BoundMethodHandle.java:58
     [exec]              <init> at java/lang/invoke/BoundMethodHandle.java:211
     [exec]            copyWith at java/lang/invoke/BoundMethodHandle.java:228
     [exec]       dropArguments at java/lang/invoke/MethodHandles.java:2465
     [exec]       dropArguments at java/lang/invoke/MethodHandles.java:2535
     [exec]                  up at
com/headius/invokebinder/transform/Drop.java:39
     [exec]              invoke at com/headius/invokebinder/Binder.java:1143
     [exec]            constant at com/headius/invokebinder/Binder.java:1116
     [exec]         searchConst at
org/jruby/ir/targets/ConstantLookupSite.java:98
     [exec]    block in autorun at
/home/travis/build/jruby/jruby/test/mri/lib/test/unit.rb:935
     [exec]          callDirect at
org/jruby/runtime/CompiledIRBlockBody.java:151
     [exec]                call at org/jruby/runtime/IRBlockBody.java:77
     [exec]                call at org/jruby/runtime/Block.java:124
     [exec]                call at org/jruby/RubyProc.java:288
     [exec]                call at org/jruby/RubyProc.java:272
     [exec]            tearDown at org/jruby/Ruby.java:3276
     [exec]            tearDown at org/jruby/Ruby.java:3249
     [exec]         internalRun at org/jruby/Main.java:309
     [exec]                 run at org/jruby/Main.java:232
     [exec]                main at org/jruby/Main.java:204

- Charlie
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