Fail to identify duplicate constructor declaration

class A {
  A(int x) {}
  A(int y) {}
}

org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
General error during instruction selection: java.lang.ClassFormatError: Duplicate method name "<init>" with signature "(I)V" in class file A

java.lang.RuntimeException: java.lang.ClassFormatError: Duplicate method name "<init>" with signature "(I)V" in class file A
        at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:934)
        at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:654)
        at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:628)
        at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:368)
        at groovy.lang.GroovyClassLoader.lambda$parseClass$2(GroovyClassLoader.java:311)
        at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163)
        at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154)
        at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:309)
        at groovy.lang.GroovyShell.parseClass(GroovyShell.java:543)
        at groovy.lang.GroovyShell.run(GroovyShell.java:364)
        at groovy.lang.GroovyShell.run(GroovyShell.java:354)
        at groovy.ui.GroovyMain.processOnce(GroovyMain.java:645)
        at groovy.ui.GroovyMain.run(GroovyMain.java:390)
        at groovy.ui.GroovyMain.access$1400(GroovyMain.java:68)
        at groovy.ui.GroovyMain$GroovyCommand.process(GroovyMain.java:314)
        at groovy.ui.GroovyMain.processArgs(GroovyMain.java:142)
        at groovy.ui.GroovyMain.main(GroovyMain.java:115)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:568)
        at org.codehaus.groovy.tools.GroovyStarter.rootLoader(GroovyStarter.java:112)
        at org.codehaus.groovy.tools.GroovyStarter.main(GroovyStarter.java:130)
Caused by: java.lang.ClassFormatError: Duplicate method name "<init>" with signature "(I)V" in class file A
        at java.base/java.lang.ClassLoader.defineClass1(Native Method)
        at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
        at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
        at groovy.lang.GroovyClassLoader.access$400(GroovyClassLoader.java:90)
        at groovy.lang.GroovyClassLoader$ClassCollector.createClass(GroovyClassLoader.java:675)
        at groovy.lang.GroovyClassLoader$ClassCollector.onClassNode(GroovyClassLoader.java:692)
        at groovy.lang.GroovyClassLoader$ClassCollector.call(GroovyClassLoader.java:697)
        at org.codehaus.groovy.control.CompilationUnit$3.call(CompilationUnit.java:768)
        at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:900)
        ... 22 more

1 error