Skip samples where top function's stack frame is not setup properly

src/profile-generator.h

Index: src/profile-generator.h
diff --git a/src/profile-generator.h b/src/profile-generator.h
index 761291e1215d8f4e0b16609220ab6af293280890..37cc57d2d2c5c82d8a6070d1e3f4f57cf401d91f 100644
--- a/src/profile-generator.h
+++ b/src/profile-generator.h
@@ -35,6 +35,8 @@
 namespace v8 {
 namespace internal {
 
+struct OffsetRange;
+
 class TokenEnumerator {
  public:
   TokenEnumerator();
@@ -100,6 +102,7 @@ class CodeEntry {
                    const char* resource_name,
                    int line_number,
                    int security_token_id));
+  ~CodeEntry();
 
   INLINE(bool is_js_function() const) { return is_js_function_tag(tag_); }
   INLINE(const char* name_prefix() const) { return name_prefix_; }
@@ -112,6 +115,11 @@ class CodeEntry {
 
   INLINE(static bool is_js_function_tag(Logger::LogEventsAndTags tag));
 
+  List<OffsetRange>* no_frame_ranges() const { return no_frame_ranges_; }
+  void set_no_frame_ranges(List<OffsetRange>* ranges) {
+    no_frame_ranges_ = ranges;
+  }
+
   void CopyData(const CodeEntry& source);
   uint32_t GetCallUid() const;
   bool IsSameAs(CodeEntry* entry) const;
@@ -126,6 +134,7 @@ class CodeEntry {
   int line_number_;
   int shared_id_;
   int security_token_id_;
+  List<OffsetRange>* no_frame_ranges_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeEntry);
 };
@@ -251,7 +260,7 @@ class CodeMap {
   CodeMap() : next_shared_id_(1) { }
   void AddCode(Address addr, CodeEntry* entry, unsigned size);
   void MoveCode(Address from, Address to);
-  CodeEntry* FindEntry(Address addr);
+  CodeEntry* FindEntry(Address addr, Address* start = NULL);
   int GetSharedId(Address addr);
 
   void Print();