[bjourne]

The example used is the venerable Logger class from the log4j package. It seem implausible that imprecise constant folding would cause a measurable performance decrease when using that class. So to me the point is not clear. A more convincing argument would be before and after stats of a benchmark showing x% performance increase.

[appplication]

Your other points aside, venerable might not be the right word for a package notorious for one of the most impactful zero days in recent memory.