[turbofan] Frame elision only for stubs.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 3fe6582cb1ac3a4df150122c1a7cc516ce38e761..86e51281d2d1add5e5e4d34414d5dab81a90e807 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -1441,7 +1441,8 @@ void Pipeline::AllocateRegisters(const RegisterConfiguration* config,
     Run<MergeSplintersPhase>();
   }
 
-  if (FLAG_turbo_frame_elision) {
+  // We plan to enable frame elision only for stubs and bytecode handlers.
+  if (FLAG_turbo_frame_elision && info()->IsStub()) {

[Mircea Trofin, 2016/01/28 02:39:10]

Is there a way to check this is a bytecode handler yet, or is "IsStub" covering
that?

     Run<LocateSpillSlotsPhase>();
     Run<FrameElisionPhase>();
   }