Arnaud CAVAILHEZ created GROOVY-7843:
----------------------------------------
Summary: Trait method calling closure cannot be inherited while
using CompileStatic
Key: GROOVY-7843
URL: https://issues.apache.org/jira/browse/GROOVY-7843
Project: Groovy
Issue Type: Bug
Reporter: Arnaud CAVAILHEZ
Priority: Minor
A trait extending another and calling itself more than 3 times:
```@CompileStatic
trait UpperTrait {
void call(Closure body){
body()
}
}```
```@CompileStatic
trait LowerTrait extends UpperTrait {
void threeCalls() {
call {
call {
call {
}
}
}
}
}```
Will generate a `ClassCastException` when called:
```class ImplementsTrait implements LowerTrait {
}
new ImplementsTrait().threeCalls()
```
raises:
```Caught: java.lang.ClassCastException:
LowerTrait$Trait$Helper$_threeCalls_closure1 cannot be cast to UpperTrait
java.lang.ClassCastException: LowerTrait$Trait$Helper$_threeCalls_closure1
cannot be cast to UpperTrait
at
LowerTrait$Trait$Helper$_threeCalls_closure1$_closure2.doCall(LowerTrait.groovy:9)
etc..```
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