Fix wraparound of deoptimization count in shared function info.

src/runtime-profiler.cc

Index: src/runtime-profiler.cc
diff --git a/src/runtime-profiler.cc b/src/runtime-profiler.cc
index cfce1dff8b389dcd432c3c5d2852ad57e2125a52..35919a553b67bf5eb33393205c5da0bb73515051 100644
--- a/src/runtime-profiler.cc
+++ b/src/runtime-profiler.cc
@@ -301,11 +301,11 @@ void RuntimeProfiler::OptimizeNow() {
       continue;
     }
 
-    // Do not record non-optimizable functions.
+    // If a function has had optimization disabled, it might be temporary.
     if (shared->optimization_disabled()) {
-      if (shared->deopt_count() >= FLAG_max_opt_count) {
-        // If optimization was disabled due to many deoptimizations,
-        // then check if the function is hot and try to reenable optimization.
+      if (shared->too_many_deopts()) {
+        // The optimization was disabled because of too many deopts;
+        // check if the function is hot and try to reenable optimization.
         int ticks = shared_code->profiler_ticks();
         if (ticks >= kProfilerTicksBeforeReenablingOptimization) {
           shared_code->set_profiler_ticks(0);