Revert "Revert "Introduce Goto instructions to the flow graph.""

runtime/vm/flow_graph_optimizer.cc

Index: runtime/vm/flow_graph_optimizer.cc
diff --git a/runtime/vm/flow_graph_optimizer.cc b/runtime/vm/flow_graph_optimizer.cc
index ec1683c346a8b66df7b87bfa9d9cc27e9d9e3e6a..93e7d00ae2accdc1934b7e4ade5c45f70a1dff13 100644
--- a/runtime/vm/flow_graph_optimizer.cc
+++ b/runtime/vm/flow_graph_optimizer.cc
@@ -519,8 +519,7 @@ static void TryFuseComparisonWithBranch(BindInstr* instr,
           comp->MarkFusedWithBranch(branch);
           branch->MarkFusedWithComparison(comp);
           branch->set_is_negated(true);
-
-          // Remove comparison and boolean negation from the graph.
+          // Remove the comparison and the boolean negation from the graph.
           branch->set_previous(instr->previous());
           instr->previous()->set_next(branch);
           return;