[interpreter] Add explicit OSR polling bytecode.

src/builtins/mips/builtins-mips.cc

Index: src/builtins/mips/builtins-mips.cc
diff --git a/src/builtins/mips/builtins-mips.cc b/src/builtins/mips/builtins-mips.cc
index 63c3329e24dcc8e566b8cd738eb3f3008f21e5cb..94d0ef643d7b72a4a30bee738f67fc988405696b 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -1723,9 +1723,16 @@ void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
 }
 
-void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
+static void Generate_OnStackReplacementHelper(MacroAssembler* masm,
+                                              bool has_handler_frame) {
   // Lookup the function in the JavaScript frame.
-  __ lw(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+  if (has_handler_frame) {
+    __ lw(a0, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+    __ lw(a0, MemOperand(a0, JavaScriptFrameConstants::kFunctionOffset));
+  } else {
+    __ lw(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+  }
+
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     // Pass function as argument.
@@ -1733,9 +1740,15 @@ void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
     __ CallRuntime(Runtime::kCompileForOnStackReplacement);
   }
 
-  // If the code object is null, just return to the unoptimized code.
+  // If the code object is null, just return to the caller.
   __ Ret(eq, v0, Operand(Smi::FromInt(0)));
 
+  // 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) {
+    __ LeaveFrame(StackFrame::STUB);
+  }
+
   // Load deoptimization data from the code object.
   // <deopt_data> = <code>[#deoptimization_data_offset]
   __ lw(a1, MemOperand(v0, Code::kDeoptimizationDataOffset - kHeapObjectTag));
@@ -1756,6 +1769,14 @@ void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   __ Ret();
 }
 
+void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
+  Generate_OnStackReplacementHelper(masm, false);
+}
+
+void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
+  Generate_OnStackReplacementHelper(masm, true);
+}
+
 // static
 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
                                                int field_index) {