Nick Stokoe created GROOVY-7989:
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Summary: VerifyError when calling protected method #clone()
Key: GROOVY-7989
URL: https://issues.apache.org/jira/browse/GROOVY-7989
Project: Groovy
Issue Type: Bug
Components: Static compilation
Affects Versions: 2.4.7, 2.4.5
Environment: Ubuntu Precise
x86_64 arch
Java 1.8.0_91
Reporter: Nick Stokoe
Running this demo code reproduces the error:
{code}
import groovy.transform.CompileStatic
@CompileStatic
class Foo {
static {
List list = []
list.clone()
}
}
{code}
This works when @CompileStatic is off, but when it is on, the compiler throws.
It seems suspiciously low level - yes, Map#clone is protected and therefore
inaccessible in this context, but obviously one would want something more
user-friendly than this, not least because it doesn't indicate *where* the
error is, so finding it can be tricky:
{code}
Caught: java.lang.VerifyError: (class: Foo, method: <clinit> signature: ()V)
Bad access to protected data
java.lang.VerifyError: (class: Foo, method: <clinit> signature: ()V) Bad access
to protected data
{code}
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