calling yield in a three-argument function causes an NPE in the compiler.
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Key: JRUBY-2697
URL: http://jira.codehaus.org/browse/JRUBY-2697
Project: JRuby
Issue Type: Bug
Components: Compiler
Affects Versions: JRuby 1.1.2
Environment: OS X 10.4.11 using Apple's 1.5.0 JDK, everything with
latest patches (as of 6/23/2008)
Reporter: Philip Smith
Attachments: bug.rb
This script causes a NPE when the compiler is not disabled with -X-C:
{noformat}
# bug.rb
# Runs fine with -X-C
def thisHasToHaveExactlyThreeArgs(a, b, c)
yield
end
puts thisHasToHaveExactlyThreeArgs(:a, :b, :c) { 'Fixed!' }
{noformat}
If the function is defined to take 0, 1, 2, 4 or 5 arguments, the script prints
'Fixed!' as expected.
I can't reproduce this on jruby 1.1.1.
The stack trace:
{noformat}
frontalot:~ $ jruby bug.rb
Exception in thread "main" java.lang.NullPointerException
at
ruby.Users.philhsmith.bug.method__0$RUBY$thisHasToHaveExactlyThreeArgs(bug.rb:5)
at
ruby.Users.philhsmith.bugInvokermethod__0$RUBY$thisHasToHaveExactlyThreeArgsFixed3.call(Unknown
Source)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.cacheAndCall(CallSite.java:235)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.call(CallSite.java:414)
at ruby.Users.philhsmith.bug.__file__(bug.rb:8)
at ruby.Users.philhsmith.bug.__file__(bug.rb)
at ruby.Users.philhsmith.bug.load(bug.rb)
at org.jruby.Ruby.runScript(Ruby.java:512)
at org.jruby.Ruby.runNormally(Ruby.java:432)
at org.jruby.Ruby.runFromMain(Ruby.java:312)
at org.jruby.Main.run(Main.java:144)
at org.jruby.Main.run(Main.java:89)
at org.jruby.Main.main(Main.java:80)
frontalot:~ $ jruby -X-C bug.rb
Fixed!
frontalot:~ $
{noformat}
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