Don't emit the lazy deopt sequence when we can't deopt.

runtime/vm/flow_graph_compiler_arm.cc

Index: runtime/vm/flow_graph_compiler_arm.cc
diff --git a/runtime/vm/flow_graph_compiler_arm.cc b/runtime/vm/flow_graph_compiler_arm.cc
index 3c3b1eaf591f4e498de46c44eb68e4e9a45c0f59..abd726a5a65a06deee891ec1d7af11d6e6a903b2 100644
--- a/runtime/vm/flow_graph_compiler_arm.cc
+++ b/runtime/vm/flow_graph_compiler_arm.cc
@@ -1109,7 +1109,7 @@ void FlowGraphCompiler::CompileGraph() {
   ASSERT(assembler()->constant_pool_allowed());
   GenerateDeferredCode();
 
-  if (is_optimizing()) {
+  if (is_optimizing() && Compiler::allow_recompilation()) {
     // Leave enough space for patching in case of lazy deoptimization from
     // deferred code.
     for (intptr_t i = 0;