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

src/ia32/frames-ia32.h

Index: src/ia32/frames-ia32.h
diff --git a/src/ia32/frames-ia32.h b/src/ia32/frames-ia32.h
index 9e51857bdb1031b00b3f1c2b9e685fbf7bc342f5..18915e2e3cdb80f34a43e21877ad85f2ba1395c7 100644
--- a/src/ia32/frames-ia32.h
+++ b/src/ia32/frames-ia32.h
@@ -53,6 +53,10 @@ typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
 // Number of registers for which space is reserved in safepoints.
 const int kNumSafepointRegisters = 8;
 
+const int kNoAlignmentPadding = 0;
+const int kAlignmentPaddingPushed = 2;
+const int kAlignmentZapValue = 0x12345678;  // Not heap object tagged.
+
 // ----------------------------------------------------
 
 
@@ -119,6 +123,8 @@ class JavaScriptFrameConstants : public AllStatic {
   // Caller SP-relative.
   static const int kParam0Offset   = -2 * kPointerSize;
   static const int kReceiverOffset = -1 * kPointerSize;
+
+  static const int kDynamicAlignmentStateOffset = kLocal0Offset;
 };