When small changes in an ajacent piece of code result in reproducable and statistically significant changes to the outcome of a synthetic benchmark, even thought the benchmark does not evaluate the part of the code which has changed.
Looks like benchmalarkey, bettertry enabling -mbranches-within-32B-boundaries.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.