[Interpreter] Ensure StackCheck bytecode handler is in split-edge form.

src/compiler/raw-machine-assembler.cc

Index: src/compiler/raw-machine-assembler.cc
diff --git a/src/compiler/raw-machine-assembler.cc b/src/compiler/raw-machine-assembler.cc
index 0d4b8cb20079b0e28fd45fa435c6b48611e99709..11c112ca538a51d3a650e78b6187c3e59dac2436 100644
--- a/src/compiler/raw-machine-assembler.cc
+++ b/src/compiler/raw-machine-assembler.cc
@@ -52,6 +52,16 @@ Node* RawMachineAssembler::Parameter(size_t index) {
   return parameters_[index];
 }
 
+void RawMachineAssembler::Fallthrough(RawMachineLabel* label) {
+  DCHECK(current_block_ != schedule()->end());
+  RawMachineLabel fallthrough;
+
+  // This Goto dance ensures we remain in split-edge form.
+  Goto(&fallthrough);
+  Bind(label);
+  Goto(&fallthrough);
+  Bind(&fallthrough);
+}
 
 void RawMachineAssembler::Goto(RawMachineLabel* label) {
   DCHECK(current_block_ != schedule()->end());