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Posted to notifications@groovy.apache.org by "Thodoris Sotiropoulos (Jira)" <ji...@apache.org> on 2023/04/24 08:25:00 UTC

[jira] [Created] (GROOVY-11022) StackOverflowError when having parameterized function with recursive bounds

Thodoris Sotiropoulos created GROOVY-11022:
----------------------------------------------

             Summary: StackOverflowError when having parameterized function with recursive bounds
                 Key: GROOVY-11022
                 URL: https://issues.apache.org/jira/browse/GROOVY-11022
             Project: Groovy
          Issue Type: Bug
          Components: Static Type Checker
            Reporter: Thodoris Sotiropoulos


I have the following program

{code}
class Test<K, V> {
    public static <K extends Comparable<? super K>, V> Test<K, V> m(K k1, V v1) {
        return new Test<K, V>();
    }

}

public class Main {
    static void test() {
        Test.<Object, Integer>m(null, 1);
    }
}
{code}

h3. Actual behavior 

{code}
   >>> a serious error occurred: null
   >>> stacktrace:
   java.lang.StackOverflowError
       at org.codehaus.groovy.ast.ClassNode.getText(ClassNode.java:1606)
       at org.codehaus.groovy.ast.ClassNode.equals(ClassNode.java:729)
       at org.codehaus.groovy.ast.ClassHelper.isObjectType(ClassHelper.java:525)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.hasNonTrivialBounds(StaticTypeCheckingSupport.java:1880)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1833)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1843)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1890)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1834)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1843)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1890)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1834)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1843)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1890)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1834)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1843)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1890)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1834)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1821)
       at org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport.applyGenericsContext(StaticTypeCheckingSupport.java:1905)
...
{code}

h3. Expected behavior

Reject with type error

Tested against master (commit: bbbff15b867157d8ed9f05207265a5ea80357ba6)



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