[
https://issues.apache.org/jira/browse/GROOVY-8610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492127#comment-16492127
]
John Wagenleitner commented on GROOVY-8610:
-------------------------------------------
Stacktrace
{code:java}
BUG! exception in phase 'instruction selection' in source unit
'TestScripttestDGM_collectOnIterator0.groovy' unexpected NullpointerException
at
org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1092)
at
org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:631)
at
org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:609)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:586)
....
....
Caused by: java.lang.NullPointerException
at org.codehaus.groovy.ast.GenericsType.<init>(GenericsType.java:50)
at org.codehaus.groovy.ast.GenericsType.<init>(GenericsType.java:58)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.resolveGenericsFromTypeHint(StaticTypeCheckingVisitor.java:2825)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.doInferClosureParameterTypes(StaticTypeCheckingVisitor.java:2746)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferClosureParameterTypes(StaticTypeCheckingVisitor.java:2591)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallArguments(StaticTypeCheckingVisitor.java:2556)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallExpression(StaticTypeCheckingVisitor.java:3254)
at
org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:70)
....
....{code}
> STC NPE using DGM collect on Iterator
> -------------------------------------
>
> Key: GROOVY-8610
> URL: https://issues.apache.org/jira/browse/GROOVY-8610
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.5.0
> Reporter: John Wagenleitner
> Assignee: John Wagenleitner
> Priority: Major
>
> {code:groovy}
> @groovy.transform.TypeChecked
> def m() {
> List<String> list = ['foo', 'bar', 'baz']
> list.iterator().collect { it.startsWith('ba') } == [false, true, true]
> }
> m()
> {code}
> Results in:
> {code:java}
> BUG! exception in phase 'instruction selection' in source unit
> 'TestScript.groovy' unexpected NullpointerException
> {code}
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
