Checking for stack height equality between full codegen and hydrogen.

src/deoptimizer.h

Index: src/deoptimizer.h
diff --git a/src/deoptimizer.h b/src/deoptimizer.h
index 3262f9c81a6585a5cc0c7079a846ef855c5d0db6..9aaf2d0bee03536f8d8abdab6d7753ef85005009 100644
--- a/src/deoptimizer.h
+++ b/src/deoptimizer.h
@@ -212,9 +212,18 @@ class Deoptimizer : public Malloced {
   static int GetDeoptimizationId(Isolate* isolate,
                                  Address addr,
                                  BailoutType type);
+  static int GetOutputInfoIndex(DeoptimizationOutputData* data,
+                                BailoutId node_id,
+                                SharedFunctionInfo* shared);
   static int GetOutputInfo(DeoptimizationOutputData* data,
                            BailoutId node_id,
                            SharedFunctionInfo* shared);
+#if defined(COMPARE_OPT_STACK_HEIGHT)
+  static int GetOutputInfoStackHeight(
+      DeoptimizationOutputData* data,
+      BailoutId node_id,
+      SharedFunctionInfo* shared);
+#endif
 
   // Code generation support.
   static int input_offset() { return OFFSET_OF(Deoptimizer, input_); }