grv $ groovy -version
Groovy Version: 2.3.7 JVM: 1.7.0_45 Vendor: Oracle Corporation OS: Mac OS X
grv $
grv $ cat SomeTrait.groovy
trait SomeTrait {
    static String someValue
}


grv $ cat SomeClass.groovy
@groovy.transform.CompileStatic
class SomeClass implements SomeTrait {}


grv $ groovyc SomeClass.groovy
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
General error during class generation: Internal compiler error while compiling SomeClass.groovy
Method: MethodNode@779930484[java.lang.String getSomeValue()]
Line -1, expecting casting to java.lang.String but operand stack is empty

java.lang.ArrayIndexOutOfBoundsException: Internal compiler error while compiling SomeClass.groovy
Method: MethodNode@779930484[java.lang.String getSomeValue()]
Line -1, expecting casting to java.lang.String but operand stack is empty
	at org.codehaus.groovy.classgen.asm.OperandStack.throwExceptionForNoStackElement(OperandStack.java:310)
	at org.codehaus.groovy.classgen.asm.OperandStack.doConvertAndCast(OperandStack.java:315)
	at org.codehaus.groovy.classgen.asm.OperandStack.doGroovyCast(OperandStack.java:279)