compiler.cfg.linearization: change order to fit older unit tests

basis/compiler/cfg/linear-scan/resolve/resolve.factor

@@ -9,6 +9,7 @@ compiler.cfg.liveness
 compiler.cfg.registers
 compiler.cfg.utilities
 compiler.cfg.instructions
+compiler.cfg.predecessors
 compiler.cfg.parallel-copy
 compiler.cfg.linear-scan.assignment
 compiler.cfg.linear-scan.allocation.state ;
@@ -75,5 +76,7 @@ SYMBOL: temp
     dup successors>> [ resolve-edge-data-flow ] with each ;
 
 : resolve-data-flow ( cfg -- )
+    needs-predecessors
+
     H{ } clone spill-temps set
     [ resolve-block-data-flow ] each-basic-block ;

basis/compiler/cfg/linearization/order/order.factor

@@ -53,7 +53,7 @@ SYMBOLS: work-list loop-heads visited ;
     ] [ drop ] if ;
 
 : sorted-successors ( bb -- seq )
-    successors>> [ loop-nesting-at ] sort-with ;
+    successors>> <reversed> [ loop-nesting-at ] sort-with ;
 
 : process-block ( bb -- )
     [ , ]