Remove more feature in product mode

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 0ade97da9bed99208d740dd8feb4e652bae098d3..8cec8d7cbd986c6496aad184290b10c720668132 100644
--- a/runtime/vm/flow_graph_inliner.cc
+++ b/runtime/vm/flow_graph_inliner.cc
@@ -810,7 +810,7 @@ class CallSiteInliner : public ValueObject {
           DEBUG_ASSERT(callee_graph->VerifyUseLists());
         }
 
-        if (FLAG_trace_inlining &&
+        if (FLAG_support_il_printer && FLAG_trace_inlining &&
             (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized)) {
           THR_Print("Callee graph for inlining %s\n",
                     function.ToFullyQualifiedCString());
@@ -1908,7 +1908,8 @@ void FlowGraphInliner::Inline() {
 
   TRACE_INLINING(THR_Print("Inlining calls in %s\n", top.ToCString()));
 
-  if (trace_inlining() &&
+  if (FLAG_support_il_printer &&
+      trace_inlining() &&
       (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized)) {
     THR_Print("Before Inlining of %s\n", flow_graph_->
               function().ToFullyQualifiedCString());
@@ -1926,7 +1927,8 @@ void FlowGraphInliner::Inline() {
     flow_graph_->DiscoverBlocks();
     if (trace_inlining()) {
       THR_Print("Inlining growth factor: %f\n", inliner.GrowthFactor());
-      if (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized) {
+      if (FLAG_support_il_printer &&
+          (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized)) {
         THR_Print("After Inlining of %s\n", flow_graph_->
                   function().ToFullyQualifiedCString());
         FlowGraphPrinter printer(*flow_graph_);