Reset function info counters after context disposal.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 227233773931ac0418fe7338f99a326617b8c5f9..c9c2480fa2c6dbf326b1bc3314bb5d46de302cd8 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -531,6 +531,10 @@ Handle<SharedFunctionInfo> Compiler::Compile(Handle<String> source,
     if (extension == NULL && !result.is_null()) {
       compilation_cache->PutScript(source, result);
     }
+  } else {
+    if (result->ic_age() != HEAP->global_ic_age()) {
+      result->ResetForNewContext(HEAP->global_ic_age());
+    }
   }
 
   if (result.is_null()) isolate->ReportPendingMessages();
@@ -586,6 +590,10 @@ Handle<SharedFunctionInfo> Compiler::CompileEval(Handle<String> source,
       compilation_cache->PutEval(
           source, context, is_global, result, scope_position);
     }
+  } else {
+    if (result->ic_age() != HEAP->global_ic_age()) {
+      result->ResetForNewContext(HEAP->global_ic_age());
+    }
   }
 
   return result;