Eric Milles created GROOVY-11815:
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Summary: STC: flow type after instanceof drops type args
Key: GROOVY-11815
URL: https://issues.apache.org/jira/browse/GROOVY-11815
Project: Groovy
Issue Type: Bug
Components: Static Type Checker
Reporter: Eric Milles
Assignee: Eric Milles
Consider the following:
{code:groovy}
@TypeChecked
void test(flag) {
def x = flag ? new ArrayDeque<Number>() : new Stack<Number>()
if (x instanceof Deque) {
x
}
}
{code}
The type of "x" in the then block is "AbstractCollection<E>" when
"AbstractCollection<Number>" is expected.
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