[interpreter] Add explicit OSR polling bytecode.

src/builtins/x64/builtins-x64.cc

Index: src/builtins/x64/builtins-x64.cc
diff --git a/src/builtins/x64/builtins-x64.cc b/src/builtins/x64/builtins-x64.cc
index 1fb26bf8dd480c0dfda7707d19d983b63ff9a968..d7bc75fcb3fa7688b7f32c5d5d2a9d2bd7c1ae4a 100644
--- a/src/builtins/x64/builtins-x64.cc
+++ b/src/builtins/x64/builtins-x64.cc
@@ -3011,9 +3011,16 @@ void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   }
 }
 
-void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
+static void Generate_OnStackReplacementHelper(MacroAssembler* masm,
+                                              bool has_handler_frame) {
   // Lookup the function in the JavaScript frame.
-  __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+  if (has_handler_frame) {
+    __ movp(rax, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
+    __ movp(rax, Operand(rax, JavaScriptFrameConstants::kFunctionOffset));
+  } else {
+    __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
+  }
+
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     // Pass function as argument.
@@ -3022,13 +3029,19 @@ void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   }
 
   Label skip;
-  // If the code object is null, just return to the unoptimized code.
+  // If the code object is null, just return to the caller.
   __ cmpp(rax, Immediate(0));
   __ j(not_equal, &skip, Label::kNear);
   __ ret(0);
 
   __ bind(&skip);
 
+  // Drop any potential handler frame that is be sitting on top of the actual
+  // JavaScript frame. This is the case then OSR is triggered from bytecode.
+  if (has_handler_frame) {
+    __ leave();
+  }
+
   // Load deoptimization data from the code object.
   __ movp(rbx, Operand(rax, Code::kDeoptimizationDataOffset - kHeapObjectTag));
 
@@ -3048,6 +3061,14 @@ void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   __ ret(0);
 }
 
+void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
+  Generate_OnStackReplacementHelper(masm, false);
+}
+
+void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
+  Generate_OnStackReplacementHelper(masm, true);
+}
+
 #undef __
 
 }  // namespace internal