[FIR] Create CFG for files to track top-level property initialization
In order to properly analyze top-level property initialization, a control-flow graph must be created for FirFiles. This change adds the foundation for the file CFG and updates body resolve to create the CFG. Checking the CFG for proper initialization is separated into a following change to ease code review. KT-56683
This commit is contained in:
Brian Norman
+135
-128
@@ -5,210 +5,215 @@ digraph when_kt {
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subgraph cluster_0 {
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color=red
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0 [label="Enter function test_1" style="filled" fillcolor=red];
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subgraph cluster_1 {
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0 [label="Enter file when.kt" style="filled" fillcolor=red];
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1 [label="Exit file when.kt" style="filled" fillcolor=red];
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}
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0 -> {1} [color=green];
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subgraph cluster_1 {
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color=red
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2 [label="Enter function test_1" style="filled" fillcolor=red];
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subgraph cluster_2 {
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color=blue
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1 [label="Enter block"];
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subgraph cluster_2 {
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3 [label="Enter block"];
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subgraph cluster_3 {
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color=blue
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2 [label="Enter when"];
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subgraph cluster_3 {
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color=blue
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3 [label="Enter when branch condition "];
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4 [label="Access variable R|<local>/x|"];
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5 [label="Const: Int(1)"];
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6 [label="Equality operator =="];
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7 [label="Exit when branch condition"];
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}
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4 [label="Enter when"];
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subgraph cluster_4 {
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color=blue
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8 [label="Enter when branch condition "];
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9 [label="Access variable R|<local>/x|"];
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10 [label="Const: Int(2)"];
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11 [label="Function call: R|<local>/x|.R|kotlin/Int.rem|(...)" style="filled" fillcolor=yellow];
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12 [label="Const: Int(0)"];
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13 [label="Equality operator =="];
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14 [label="Exit when branch condition"];
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5 [label="Enter when branch condition "];
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6 [label="Access variable R|<local>/x|"];
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7 [label="Const: Int(1)"];
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8 [label="Equality operator =="];
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9 [label="Exit when branch condition"];
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}
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subgraph cluster_5 {
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color=blue
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15 [label="Enter when branch condition "];
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16 [label="Const: Int(1)"];
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17 [label="Const: Int(1)"];
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18 [label="Function call: Int(1).R|kotlin/Int.minus|(...)" style="filled" fillcolor=yellow];
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19 [label="Const: Int(0)"];
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20 [label="Equality operator =="];
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21 [label="Exit when branch condition"];
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10 [label="Enter when branch condition "];
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11 [label="Access variable R|<local>/x|"];
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12 [label="Const: Int(2)"];
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13 [label="Function call: R|<local>/x|.R|kotlin/Int.rem|(...)" style="filled" fillcolor=yellow];
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14 [label="Const: Int(0)"];
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15 [label="Equality operator =="];
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16 [label="Exit when branch condition"];
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}
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subgraph cluster_6 {
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color=blue
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22 [label="Enter when branch condition else"];
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17 [label="Enter when branch condition "];
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18 [label="Const: Int(1)"];
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19 [label="Const: Int(1)"];
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20 [label="Function call: Int(1).R|kotlin/Int.minus|(...)" style="filled" fillcolor=yellow];
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21 [label="Const: Int(0)"];
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22 [label="Equality operator =="];
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23 [label="Exit when branch condition"];
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}
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24 [label="Enter when branch result"];
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subgraph cluster_7 {
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color=blue
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25 [label="Enter block"];
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26 [label="Const: Int(5)"];
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27 [label="Exit block"];
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24 [label="Enter when branch condition else"];
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25 [label="Exit when branch condition"];
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}
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28 [label="Exit when branch result"];
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29 [label="Enter when branch result"];
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26 [label="Enter when branch result"];
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subgraph cluster_8 {
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color=blue
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30 [label="Enter block"];
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31 [label="Jump: ^test_1 Unit"];
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32 [label="Stub" style="filled" fillcolor=gray];
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33 [label="Exit block" style="filled" fillcolor=gray];
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27 [label="Enter block"];
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28 [label="Const: Int(5)"];
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29 [label="Exit block"];
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}
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34 [label="Exit when branch result" style="filled" fillcolor=gray];
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35 [label="Enter when branch result"];
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30 [label="Exit when branch result"];
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31 [label="Enter when branch result"];
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subgraph cluster_9 {
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color=blue
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36 [label="Enter block"];
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37 [label="Const: Int(20)"];
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38 [label="Exit block"];
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32 [label="Enter block"];
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33 [label="Jump: ^test_1 Unit"];
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34 [label="Stub" style="filled" fillcolor=gray];
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35 [label="Exit block" style="filled" fillcolor=gray];
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}
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39 [label="Exit when branch result"];
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40 [label="Enter when branch result"];
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36 [label="Exit when branch result" style="filled" fillcolor=gray];
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37 [label="Enter when branch result"];
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subgraph cluster_10 {
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color=blue
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41 [label="Enter block"];
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42 [label="Const: Int(10)"];
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43 [label="Exit block"];
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38 [label="Enter block"];
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39 [label="Const: Int(20)"];
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40 [label="Exit block"];
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}
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44 [label="Exit when branch result"];
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45 [label="Exit when"];
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41 [label="Exit when branch result"];
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42 [label="Enter when branch result"];
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subgraph cluster_11 {
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color=blue
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43 [label="Enter block"];
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44 [label="Const: Int(10)"];
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45 [label="Exit block"];
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}
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46 [label="Exit when branch result"];
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47 [label="Exit when"];
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}
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46 [label="Variable declaration: lval y: R|kotlin/Int|"];
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47 [label="Exit block"];
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48 [label="Variable declaration: lval y: R|kotlin/Int|"];
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49 [label="Exit block"];
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}
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48 [label="Exit function test_1" style="filled" fillcolor=red];
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50 [label="Exit function test_1" style="filled" fillcolor=red];
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}
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0 -> {1};
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1 -> {2};
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2 -> {3};
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3 -> {4};
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4 -> {5};
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5 -> {6};
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6 -> {7};
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7 -> {8 40};
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7 -> {8};
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8 -> {9};
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9 -> {10};
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9 -> {10 42};
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10 -> {11};
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11 -> {12};
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12 -> {13};
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13 -> {14};
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14 -> {15 35};
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14 -> {15};
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15 -> {16};
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16 -> {17};
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16 -> {17 37};
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17 -> {18};
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18 -> {19};
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19 -> {20};
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20 -> {21};
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21 -> {22 29};
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21 -> {22};
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22 -> {23};
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23 -> {24};
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23 -> {24 31};
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24 -> {25};
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25 -> {26};
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26 -> {27};
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27 -> {28};
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28 -> {45};
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28 -> {29};
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29 -> {30};
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30 -> {31};
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31 -> {48};
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31 -> {32} [style=dotted];
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32 -> {33} [style=dotted];
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30 -> {47};
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31 -> {32};
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32 -> {33};
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33 -> {50};
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33 -> {34} [style=dotted];
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34 -> {45} [style=dotted];
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35 -> {36};
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36 -> {37};
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34 -> {35} [style=dotted];
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35 -> {36} [style=dotted];
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36 -> {47} [style=dotted];
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37 -> {38};
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38 -> {39};
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39 -> {45};
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39 -> {40};
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40 -> {41};
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41 -> {42};
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41 -> {47};
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42 -> {43};
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43 -> {44};
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44 -> {45};
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45 -> {46};
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46 -> {47};
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47 -> {48};
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subgraph cluster_11 {
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color=red
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49 [label="Enter class A" style="filled" fillcolor=red];
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50 [label="Exit class A" style="filled" fillcolor=red];
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}
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49 -> {50} [color=green];
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48 -> {49};
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49 -> {50};
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subgraph cluster_12 {
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color=red
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51 [label="Enter class B" style="filled" fillcolor=red];
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52 [label="Exit class B" style="filled" fillcolor=red];
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51 [label="Enter class A" style="filled" fillcolor=red];
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52 [label="Exit class A" style="filled" fillcolor=red];
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}
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51 -> {52} [color=green];
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subgraph cluster_13 {
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color=red
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53 [label="Enter function test_2" style="filled" fillcolor=red];
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subgraph cluster_14 {
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color=blue
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54 [label="Enter block"];
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subgraph cluster_15 {
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color=blue
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55 [label="Enter when"];
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subgraph cluster_16 {
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color=blue
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56 [label="Enter when branch condition "];
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subgraph cluster_17 {
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color=blue
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57 [label="Enter &&"];
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58 [label="Access variable R|<local>/x|"];
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59 [label="Type operator: (R|<local>/x| is R|A|)"];
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60 [label="Exit left part of &&"];
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61 [label="Enter right part of &&"];
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62 [label="Access variable R|<local>/x|"];
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63 [label="Smart cast: R|<local>/x|"];
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64 [label="Type operator: (R|<local>/x| is R|B|)"];
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65 [label="Exit &&"];
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}
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66 [label="Exit when branch condition"];
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}
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67 [label="Synthetic else branch"];
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68 [label="Enter when branch result"];
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subgraph cluster_18 {
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color=blue
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69 [label="Enter block"];
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70 [label="Access variable R|<local>/x|"];
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71 [label="Smart cast: R|<local>/x|"];
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72 [label="Type operator: (R|<local>/x| is R|A|)"];
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73 [label="Exit block"];
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}
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74 [label="Exit when branch result"];
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75 [label="Exit when"];
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}
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76 [label="Exit block"];
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}
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77 [label="Exit function test_2" style="filled" fillcolor=red];
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53 [label="Enter class B" style="filled" fillcolor=red];
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54 [label="Exit class B" style="filled" fillcolor=red];
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}
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53 -> {54} [color=green];
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subgraph cluster_14 {
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color=red
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55 [label="Enter function test_2" style="filled" fillcolor=red];
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subgraph cluster_15 {
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color=blue
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56 [label="Enter block"];
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subgraph cluster_16 {
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color=blue
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57 [label="Enter when"];
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subgraph cluster_17 {
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color=blue
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58 [label="Enter when branch condition "];
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subgraph cluster_18 {
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color=blue
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59 [label="Enter &&"];
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60 [label="Access variable R|<local>/x|"];
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61 [label="Type operator: (R|<local>/x| is R|A|)"];
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62 [label="Exit left part of &&"];
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63 [label="Enter right part of &&"];
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64 [label="Access variable R|<local>/x|"];
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65 [label="Smart cast: R|<local>/x|"];
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66 [label="Type operator: (R|<local>/x| is R|B|)"];
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67 [label="Exit &&"];
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}
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68 [label="Exit when branch condition"];
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}
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69 [label="Synthetic else branch"];
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70 [label="Enter when branch result"];
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subgraph cluster_19 {
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color=blue
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71 [label="Enter block"];
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72 [label="Access variable R|<local>/x|"];
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73 [label="Smart cast: R|<local>/x|"];
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74 [label="Type operator: (R|<local>/x| is R|A|)"];
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75 [label="Exit block"];
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}
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76 [label="Exit when branch result"];
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77 [label="Exit when"];
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}
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78 [label="Exit block"];
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}
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79 [label="Exit function test_2" style="filled" fillcolor=red];
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}
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53 -> {54};
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54 -> {55};
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55 -> {56};
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56 -> {57};
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57 -> {58};
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58 -> {59};
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59 -> {60};
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60 -> {61 65};
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60 -> {61};
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61 -> {62};
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62 -> {63};
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62 -> {63 67};
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63 -> {64};
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64 -> {65};
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65 -> {66};
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66 -> {67 68};
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67 -> {75};
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68 -> {69};
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69 -> {70};
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66 -> {67};
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67 -> {68};
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68 -> {69 70};
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69 -> {77};
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70 -> {71};
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71 -> {72};
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72 -> {73};
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@@ -216,5 +221,7 @@ digraph when_kt {
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74 -> {75};
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75 -> {76};
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76 -> {77};
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77 -> {78};
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78 -> {79};
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}
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