[Interpreter] Add explicit StackCheck bytecodes on function entry and back branches.

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index 60e1cb9183b259c2e41f887121a3b5afb9805316..912971c5d0a06025282313f57137c4336067a88f 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -1032,18 +1032,6 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   //  - Allow simulator stop operations if FLAG_stop_at is set.
   //  - Code aging of the BytecodeArray object.
 
-  // Perform stack guard check.
-  {
-    Label ok;
-    __ LoadRoot(r0, Heap::kStackLimitRootIndex);
-    __ cmp(sp, r0);
-    __ bge(&ok);
-    __ push(kInterpreterBytecodeArrayRegister);
-    __ CallRuntime(Runtime::kStackGuard);
-    __ pop(kInterpreterBytecodeArrayRegister);
-    __ bind(&ok);
-  }
-
   // Load accumulator, register file, bytecode offset, dispatch table into
   // registers.
   __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);