Added another check in SafeStackFrameIterator.

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index 78d8e723fbc6213a5578c1fade930825770e22a5..fbf99ffb42b9980027eacdf421c9a721a9aa1879 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -638,6 +638,7 @@ class SafeStackFrameIterator BASE_EMBEDDED {
   bool IsValidStackAddress(Address addr) const {
     return IsWithinBounds(low_bound_, high_bound_, addr);
   }
+  bool CanIterateHandles(StackFrame* frame, StackHandler* handler);
   bool IsValidFrame(StackFrame* frame) const;
   bool IsValidCaller(StackFrame* frame);