[turbofan]: Elide extra move when accessing stack or frame register

src/ia32/frames-ia32.cc

Index: src/ia32/frames-ia32.cc
diff --git a/src/ia32/frames-ia32.cc b/src/ia32/frames-ia32.cc
index a9c47274d6b1895e18e939587f95340c219cba14..4358e0ccf171db5c4acd304af3e8fa4c3f467e7d 100644
--- a/src/ia32/frames-ia32.cc
+++ b/src/ia32/frames-ia32.cc
@@ -15,7 +15,8 @@ namespace v8 {
 namespace internal {
 
 
-Register JavaScriptFrame::fp_register() { return ebp; }
+Register StandardFrame::sp_register() { return esp; }
+Register StandardFrame::fp_register() { return ebp; }
 Register JavaScriptFrame::context_register() { return esi; }
 Register JavaScriptFrame::constant_pool_pointer_register() {
   UNREACHABLE();