Reimplement dynamic frame alignment for frames that are compiled via OSR or have more than 2 double…

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index 56ef67e331f199b1756816d1b3ce25e23691b80e..2d45932d09a8d39c75dfb7b5b816ccdafd41a945 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -206,6 +206,11 @@ class StackFrame BASE_EMBEDDED {
   Address fp() const { return state_.fp; }
   Address caller_sp() const { return GetCallerStackPointer(); }
 
+  // If this frame is optimized and was dynamically aligned return its old
+  // unaligned frame pointer.  When the frame is deoptimized its FP will shift
+  // up one word and become unaligned.
+  Address UnpaddedFP() const;
+
   Address pc() const { return *pc_address(); }
   void set_pc(Address pc) { *pc_address() = pc; }