[turbofan] Frame elision for code stubs

src/compiler/code-generator.h

Index: src/compiler/code-generator.h
diff --git a/src/compiler/code-generator.h b/src/compiler/code-generator.h
index f1e99ec8d2817880df0b1892c407b341ac80ecd1..1a2027931ffcf20f1fb4f844514e23d607fb1fa9 100644
--- a/src/compiler/code-generator.h
+++ b/src/compiler/code-generator.h
@@ -106,6 +106,9 @@ class CodeGenerator final : public GapResolver::Assembler {
   // Generates an architecture-specific, descriptor-specific prologue
   // to set up a stack frame.
   void AssemblePrologue();
+
+  void AssembleSetupStackPointer();
+
   // Generates an architecture-specific, descriptor-specific return sequence
   // to tear down a stack frame.
   void AssembleReturn();
@@ -113,6 +116,8 @@ class CodeGenerator final : public GapResolver::Assembler {
   // Generates code to deconstruct a the caller's frame, including arguments.
   void AssembleDeconstructActivationRecord(int stack_param_delta);
 
+  void AssembleDeconstructFrame();
+
   // Generates code to manipulate the stack in preparation for a tail call.
   void AssemblePrepareTailCall(int stack_param_delta);