--report-unsupported-elements-at-runtime test

build.sh

#!/bin/bash
set -x

# compile java
javac Main.java DeletedClass.java

# run java
java Main

# compile substitution
javac -cp ${GRAALVM_HOME}/jre/lib/svm/builder/svm.jar:. Target_DeletedClass.java

# build native image
native-image --report-unsupported-elements-at-runtime -H:+ReportExceptionStackTraces Main

# run native image
./main

DeletedClass.java

public class DeletedClass {
	
}

expected.output

$ ./build.sh
+ javac Main.java DeletedClass.java
+ java Main
 obj instanceof SubClass FALSE
+ javac -cp ${GRAALVM_HOME}/jre/lib/svm/builder/svm.jar:. Target_DeletedClass.java
+ native-image --report-unsupported-elements-at-runtime -H:+ReportExceptionStackTraces Main
Build on Server(pid: 517, port: 40259)
[main:517]    classlist:     226.55 ms
[main:517]        (cap):     596.85 ms
[main:517]        setup:     923.70 ms
[main:517]   (typeflow):   1,708.39 ms
[main:517]    (objects):     730.42 ms
[main:517]   (features):      95.30 ms
[main:517]     analysis:   2,581.61 ms
[main:517]     universe:     105.98 ms
[main:517]      (parse):     207.21 ms
[main:517]     (inline):     430.74 ms
[main:517]    (compile):   1,817.72 ms
[main:517]      compile:   2,585.22 ms
[main:517]        image:     228.62 ms
[main:517]        write:      55.85 ms
[main:517]      [total]:   6,750.16 ms
+ ./main
 obj instanceof SubClass FALSE

Main.java

public class Main {

	public static void main(String[] args) {
		Object obj = new Object();
		if(obj instanceof SubClass) {
			System.out.println(" obj instanceof SubClass TRUE");
		} else {
			System.out.println(" obj instanceof SubClass FALSE");
		}
	}
}

SubClass.java

public class SubClass extends DeletedClass {
	
}

Target_DeletedClass.java

import com.oracle.svm.core.annotate.Delete;
import com.oracle.svm.core.annotate.TargetClass;

@Delete
@TargetClass(DeletedClass.class)
public final class Target_DeletedClass {

}