[ https://issues.jboss.org/browse/JASSIST-193?page=com.atlassian.jira.plugi... ] Pawel Veselov updated JASSIST-193: ---------------------------------- Attachment: JA1.java JA2.java Attached are two classes, to showcase the problem. $ javac -classpath lib/javassist-3.17.1/javassist.jar JA*.java $ java -cp .:lib/javassist-3.17.1/javassist.jar JA1 Exception in thread "main" java.lang.VerifyError: (class: JA2, method: none signature: ()V) Incompatible object argument for function call at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) at java.lang.Class.getConstructor0(Class.java:2699) at java.lang.Class.newInstance0(Class.java:326) at java.lang.Class.newInstance(Class.java:308) at JA1.main(JA1.java:18) Expectation is that either compilation should fail, or that a checkcast should be inserted, if left is not assignable from right. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira