[tubofan] Remove .dot output of --trace-turbo

test/unittests/compiler/control-equivalence-unittest.cc

Index: test/unittests/compiler/control-equivalence-unittest.cc
diff --git a/test/unittests/compiler/control-equivalence-unittest.cc b/test/unittests/compiler/control-equivalence-unittest.cc
index d383bf7c432a08afe7427898cd122eb7b57394ce..a87f760c82022270298b0d8085f7559bbff89c16 100644
--- a/test/unittests/compiler/control-equivalence-unittest.cc
+++ b/test/unittests/compiler/control-equivalence-unittest.cc
@@ -6,6 +6,7 @@
 #include "src/compiler/control-equivalence.h"
 #include "src/compiler/graph-visualizer.h"
 #include "src/compiler/node-properties.h"
+#include "src/compiler/source-position.h"
 #include "src/zone-containers.h"
 #include "test/unittests/compiler/graph-unittest.h"
 
@@ -30,7 +31,8 @@ class ControlEquivalenceTest : public GraphTest {
     graph()->SetEnd(graph()->NewNode(common()->End(1), node));
     if (FLAG_trace_turbo) {
       OFStream os(stdout);
-      os << AsDOT(*graph());
+      SourcePositionTable table(graph());
+      os << AsJSON(*graph(), &table);
     }
     ControlEquivalence equivalence(zone(), graph());
     equivalence.Run(node);