[jboss-jira] [JBoss JIRA] (JASSIST-242) VerifyError: Inconsistent args count operand in invokeinterface when boolean parameter function with inheritance

[Shigeru Chiba (JIRA)]

     [ https://issues.jboss.org/browse/JASSIST-242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shigeru Chiba resolved JASSIST-242.
-----------------------------------
    Fix Version/s: 3.20.0-GA
       Resolution: Done


> VerifyError: Inconsistent args count operand in invokeinterface when boolean parameter function with inheritance
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: JASSIST-242
>                 URL: https://issues.jboss.org/browse/JASSIST-242
>             Project: Javassist
>          Issue Type: Bug
>    Affects Versions: 3.19.0-GA
>         Environment: Java 1.7, windows
>            Reporter: Gurutharshan Nadarajah
>            Assignee: Shigeru Chiba
>             Fix For: 3.20.0-GA
>
>
> java.lang.VerifyError: Inconsistent args count operand in invokeinterface comes when there is a function in inheritance with boolean parameters. And if we call that function with some expression to evaluate as a boolean value.
> This error occurred. 
> Error message
> Exception in thread "main" java.lang.VerifyError: Inconsistent args count operand in invokeinterface
> Exception Details:
>   Location:
>     Hello.say()V @22: invokeinterface
>   Reason:
>     Error exists in the bytecode
>   Bytecode:
>     0000000: 2a2a b600 2bb5 0029 2ab4 0029 0606 a200
>     0000010: 0703 a700 0404 b900 3103 002a b400 29c0
>     0000020: 0005 0606 a200 0703 a700 0404 b600 3206
>     0000030: 06a2 0007 03a7 0004 043c 2ab4 0029 1bb9
>     0000040: 0031 0200 b200 0212 27b6 0004 b200 0212
>     0000050: 03b6 0004 b1                           
>   Stackmap Table:
>     same_locals_1_stack_item_frame(@21,Object[#45])
>     full_frame(@22,{Object[#7]},{Object[#45],Integer})
>     same_locals_1_stack_item_frame(@43,Object[#5])
>     full_frame(@44,{Object[#7]},{Object[#5],Integer})
>     same_frame(@56)
>     same_locals_1_stack_item_frame(@57,Integer)
> 	at java.lang.Class.getDeclaredConstructors0(Native Method)
> 	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2493)
> 	at java.lang.Class.getConstructor0(Class.java:2803)
> 	at java.lang.Class.newInstance(Class.java:345)
> 	at BoolSeriesTest.main(BoolSeriesTest.java:59)



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