https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21182
--- Comment #24 from Jeffrey A. Law <law at redhat dot com> --- Do we happen to have easy access to the pressure at the various program points? Dumping that with the points might prove fruitful in both the search for potential over-aggressive optimizations and to guide Bernd's work to schedule statements better at the gimple/rtl boundary.