The attached program crashes with this message:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (sharedRuntime.cpp:586), pid=4116, tid=3072834448
# Error: guarantee(cb->is_adapter_blob(),"exception happened outside
interpreter, nmethods and vtable stubs (1)")
#
# JRE version: 7.0
# Java VM: OpenJDK Server VM (17.0-b05 interpreted mode linux-x86 )
# An error report file with more information is saved as:
# /tmp/hs_err_pid4116.log
Helmut
// -*- compile-command: "javac7 Foo.java" -*-
/*
A test case which crashes the VM. To see the crash, invoke main
with no arguments.
*/
import static java.dyn.MethodHandles.*;
import static java.dyn.MethodType.methodType;
import java.dyn.*;
class Foo {
static final Lookup lookup = lookup().in (Foo.class);
static CallSite link (Class klass, String key, MethodType t) {
CallSite cs = new CallSite (klass, key, t);
MethodHandle mh = exactInvoker (t.dropParameterTypes (0, 1));
cs.setTarget (mh);
return cs;
}
static {
MethodHandle link = lookup.findStatic (Foo.class, "link",
Linkage.BOOTSTRAP_METHOD_TYPE);
Linkage.registerBootstrapMethod (Foo.class, link);
}
public static void foo () { System.out.println ("foo called"); }
public static void main (String[] args) throws Throwable {
MethodHandle mh = (args.length == 0
? null
: lookup.findStatic (Foo.class, "foo",
methodType (void.class)));
InvokeDynamic.<void>funcall (mh);
}
}
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