rewrite SSA variables based on copy propagation results

21 jobs from copy-propagation in 21 minutes and 40 seconds (queued for 7 minutes and 44 seconds)
Status Job ID Name Coverage
  Build
passed #16653
build

07:50

 
  Test
passed #16654
test:cargo:api

00:02

failed #16656
test:cargo:compiler

00:57

passed #16655
test:cargo:ir

00:02

passed #16657
test:cargo:runtime

00:02

passed #16663
testjit:binops

00:06

passed #16664
testjit:cmpops

00:05

passed #16665
testjit:controlflow

00:03

passed #16666
testjit:convops

00:03

passed #16667
testjit:double

00:07

passed #16668
testjit:memops

00:03

passed #16662
testjit:milestones

00:03

passed #16669
testjit:otherops

00:03

failed #16670
testjit:rpython

07:54

failed #16671
testjit:som

02:03

passed #16661
testmuc:test_binop

00:30

passed #16660
testmuc:test_cmp

00:31

passed #16658
testmuc:test_simple

00:33

passed #16659
testmuc:test_swapstack

00:35

 
  Mubench
skipped #16672
mubench
 
  Rustfmt
skipped #16673
rustfmt