Requiring an empty string causes AIOOB with RubyGems active #445
Description
Pretty self-explanatory...
This is 1.9 mode, with RubyGems active by default. Running 1.8 mode with RG active causes the same error.
See test/test_load.rb:test_require_bogus for a masked test.
system ~/projects/jruby $ jruby -e "require ''"
BaseUTF8Encoding.java:205:in `leftAdjustCharHead': java.lang.ArrayIndexOutOfBoundsException: 24
from RubyString.java:5215:in `end_with_pCommon'
from RubyString.java:5195:in `end_with_p'
from RubyString$INVOKER$i$end_with_p.gen:-1:in `call'
from CachingCallSite.java:326:in `cacheAndCall'
from CachingCallSite.java:170:in `call'
from CallOneArgNode.java:57:in `interpret'
from AndNode.java:93:in `interpret'
from NewlineNode.java:105:in `interpret'
from OrNode.java:100:in `interpret'
from IfNode.java:110:in `interpret'
from NewlineNode.java:105:in `interpret'
from BlockNode.java:71:in `interpret'
from BlockNode.java:71:in `interpret'
from RescueBodyNode.java:108:in `interpret'
from RescueNode.java:177:in `handleException'
from RescueNode.java:123:in `interpret'
from ASTInterpreter.java:75:in `INTERPRET_METHOD'
from InterpretedMethod.java:182:in `call'
from DefaultMethod.java:188:in `call'
from MethodHandle.java:599:in `invokeWithArguments'
from InvocationLinker.java:151:in `invocationFallback'
from -e:1:in `__file__'
from -e:-1:in `load'
from Ruby.java:809:in `runScript'
from Ruby.java:802:in `runScript'
from Ruby.java:673:in `runNormally'
from Ruby.java:522:in `runFromMain'
from Main.java:390:in `doRunFromMain'
from Main.java:279:in `internalRun'
from Main.java:221:in `run'
from Main.java:201:in `main'