X87: [debugger] do not predict step in target for liveedit.

src/debug/x87/debug-x87.cc

Index: src/debug/x87/debug-x87.cc
diff --git a/src/debug/x87/debug-x87.cc b/src/debug/x87/debug-x87.cc
index 2718dcb624243c0a1f174f092206f31efe151ae0..8c04e02b89c0f4faf66fed9e44b3b4d81321fe70 100644
--- a/src/debug/x87/debug-x87.cc
+++ b/src/debug/x87/debug-x87.cc
@@ -105,23 +105,16 @@ void DebugCodegen::GenerateDebugBreakStub(MacroAssembler* masm,
 }
 
 
-void DebugCodegen::GeneratePlainReturnLiveEdit(MacroAssembler* masm) {
-  masm->ret(0);
-}
-
-
 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
-  ExternalReference restarter_frame_function_slot =
-      ExternalReference::debug_restarter_frame_function_pointer_address(
-          masm->isolate());
-  __ mov(Operand::StaticVariable(restarter_frame_function_slot), Immediate(0));
-
   // We do not know our frame height, but set esp based on ebp.
   __ lea(esp, Operand(ebp, -1 * kPointerSize));
 
   __ pop(edi);  // Function.
   __ pop(ebp);
 
+  ParameterCount dummy(0);
+  __ FloodFunctionIfStepping(edi, no_reg, dummy, dummy);
+
   // Load context from the function.
   __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));