useless throw POC

GarbageTest.java

//In discussion of http://stackoverflow.com/questions/39118224/would-java-jit-compiler-optimise-useless-throw-statement
//awang:/tmp/ $ cat GarbageTest.java                                                                                                                                                       [20:57:30]
import java.io.IOException;

public class GarbageTest {
    private void f() throws IOException {
        throw new IOException();
    }

    public void garbageTest() throws IOException{
        try {
            f();
        } finally {

            System.out.println("dosomething");
        }
    }
    
    public static void main(String[] args) {
	GarbageTest gt = new GarbageTest();
	try{
	    gt.garbageTest();
	} catch(IOException joe) {
	    System.out.println("exception caught anyways");
        }

    }
}
/*
awang:/tmp/ $ javac GarbageTest.java                                                                                                                                                     [20:58:58]
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8
awang:/tmp/ $ java GarbageTest                                                                                                                                                           [20:59:06]
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8
dosomething
exception caught anyways
awang:/tmp/ $ 
*/