[generators] Decouple generator resume from fullcodegen.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index a8405daee32428d8e52f4d32b5fceaf73bf04c92..d69a292f0a83883fcafe9db2ef3552e30e545b76 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -296,7 +296,9 @@ void Deoptimizer::DeoptimizeMarkedCodeForContext(Context* context) {
                          !FLAG_turbo_asm_deoptimization;
       bool safe_to_deopt =
           deopt_index != Safepoint::kNoDeoptimizationIndex || turbofanned;
-      CHECK(topmost_optimized_code == NULL || safe_to_deopt || turbofanned);
+      bool builtin = code->kind() == Code::BUILTIN;

[Michael Starzinger, 2016/04/06 08:29:33]

Not actionable for this CL: As discussed offline, we really need a frame-type
for these JSFunction activations backed by BUILTIN code.

+      CHECK(topmost_optimized_code == NULL || safe_to_deopt || turbofanned ||
+            builtin);
       if (topmost_optimized_code == NULL) {
         topmost_optimized_code = code;
         safe_to_deopt_topmost_optimized_code = safe_to_deopt;