Collect edge count profiling data and reorder basic blocks.

runtime/vm/flow_graph_inliner.cc

Index: runtime/vm/flow_graph_inliner.cc
diff --git a/runtime/vm/flow_graph_inliner.cc b/runtime/vm/flow_graph_inliner.cc
index b388cdc28f56355dcd40b63c6380abc0d37577ef..2e12c53eb8eea05a2709c67742411d612a69db34 100644
--- a/runtime/vm/flow_graph_inliner.cc
+++ b/runtime/vm/flow_graph_inliner.cc
@@ -4,6 +4,7 @@
 
 #include "vm/flow_graph_inliner.h"
 
+#include "vm/block_scheduler.h"
 #include "vm/compiler.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
@@ -555,6 +556,9 @@ class CallSiteInliner : public ValueObject {
       ASSERT(arguments->length() == function.NumParameters());
       ASSERT(param_stubs->length() == callee_graph->parameter_count());
 
+      BlockScheduler block_scheduler(callee_graph);
+      block_scheduler.AssignEdgeWeights();
+
       {
         TimerScope timer(FLAG_compiler_stats,
                          &CompilerStats::graphinliner_ssa_timer,