Hi Thomas, --disable-jvm-feature-link-time-opt is for disabling Link Time Optimization when compiling the JVM itself, as in, requesting LTO from the linker that is linking the JVM. It doesn't have anything to do with what arguments the newly compiled JVM is called with and isn't related to the link optimization pass of the Java classfiles (I am not very familiar with that process), and it is also off by default for most platforms
best regards, Julian