[compiler] Move ensuring deoptimization support to backends.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index f3980573d0f7a051f45ecb17914799e5d66a5c32..d3b849d78f3dc869ae5a1ed532dac4d76a113ba2 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -13524,6 +13524,11 @@ void SharedFunctionInfo::ResetForNewContext(int new_ic_age) {
     }
     set_opt_count(0);
     set_deopt_count(0);
+  } else if (code()->is_interpreter_entry_trampoline()) {
+    // TODO(4280): We might want to consider resetting profiler ticks on the
+    // bytecode as well as re-enabling optimization similar to the above case.

[rmcilroy, 2016/04/15 10:11:17]

Could we do this TODO as well? I think it makes sense to treat both Ignition and
FCG the same here.

[Michael Starzinger, 2016/04/15 10:40:44]

Done.

+    set_opt_count(0);
+    set_deopt_count(0);
   }
 }