Add dynamic stack frame alignment to optimized functions with untagged doubles on the stack.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 6fea3c6712b9fd18b9e3527609e5c3159776d244..567a2787093705e62b6d5166a1b624376c351789 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -456,9 +456,8 @@ void Oddball::OddballVerify() {
   } else {
     ASSERT(number->IsSmi());
     int value = Smi::cast(number)->value();
-    // Hidden oddballs have negative smis.
-    const int kLeastHiddenOddballNumber = -4;
     ASSERT(value <= 1);
+    // Hidden oddballs have negative smis.
     ASSERT(value >= kLeastHiddenOddballNumber);
   }
 }