Move all the isolate reload code under !defined(DART_PRECOMPILED_RUNTIME)

runtime/vm/runtime_entry.cc

Index: runtime/vm/runtime_entry.cc
diff --git a/runtime/vm/runtime_entry.cc b/runtime/vm/runtime_entry.cc
index 6a74969c65c8c5a2f77d613d95db1a0fdd9f2632..b9877d10dd598576da683d4efd240d6c162d2e58 100644
--- a/runtime/vm/runtime_entry.cc
+++ b/runtime/vm/runtime_entry.cc
@@ -1676,6 +1676,7 @@ DEFINE_RUNTIME_ENTRY(StackOverflow, 0) {
     // TODO(turnidge): Consider using DeoptimizeAt instead.
     DeoptimizeFunctionsOnStack();
   }
+#if !defined(DART_PRECOMPILED_RUNTIME)
   if (do_reload) {
     JSONStream js;
     // Maybe adjust the rate of future reloads.
@@ -1686,6 +1687,7 @@ DEFINE_RUNTIME_ENTRY(StackOverflow, 0) {
       FATAL1("*** Isolate reload failed:\n%s\n", js.ToCString());
     }
   }
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)
   if (do_stacktrace) {
     String& var_name = String::Handle();
     Instance& var_value = Instance::Handle();