[GROOVY-5536] Using @CompileStatic causes VerifierError

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.0-rc-3
• Fix Version/s: 2.0-rc-4
• Component/s: Static compilation
• Assignee: Cédric Champeau
• Reporter: Graeme Rocher
• Created: 20/Jun/12 03:44
• Updated: 21/Jun/12 17:03
• Resolved: 20/Jun/12 09:21

Description

The following code:

import groovy.transform.*

@CompileStatic
URL getDescriptorForPlugin(File pluginDir) {
    URL descriptor = null
    File baseFile = pluginDir.canonicalFile
    File basePluginFile = (File)baseFile.listFiles().find {  File it -> it.name.endsWith("GrailsPlugin.groovy")}

    if (basePluginFile?.exists()) {
         descriptor = new URL("http://grails.org")
    }
    return descriptor
}

Results in

java.lang.VerifyError: (class: ConsoleScript6, method: getDescriptorForPlugin signature: (Ljava/io/File;)Ljava/net/URL;) Expecting to find integer on stack
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
	at java.lang.Class.getConstructor0(Class.java:2699)