constraint: Switch to using a worklist flag on blocks.
constraint: Sort the worklist in the natural order.
life: Remove FASTP kludge.
ir1opt: Allow %analyze-set-uses to look through let bindings as well
Add a WITH-TEST.
constraint: Handle equality constraints for local calls generally.
constraint: Improve assignment lambda handling.
constraint: Handle LET and MV-LET in the local call logic.