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

src/objects-debug.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 438 matching lines @@
 
 void Oddball::OddballVerify() {
   CHECK(IsOddball());
   VerifyHeapPointer(to_string());
   Object* number = to_number();
   if (number->IsHeapObject()) {
     ASSERT(number == HEAP->nan_value());
   } else {
     ASSERT(number->IsSmi());
     int value = Smi::cast(number)->value();
+    ASSERT(value <= 1);
     // Hidden oddballs have negative smis.
-    const int kLeastHiddenOddballNumber = -4;
-    ASSERT(value <= 1);
     ASSERT(value >= kLeastHiddenOddballNumber);
   }
 }
 
 
 void JSGlobalPropertyCell::JSGlobalPropertyCellVerify() {
   CHECK(IsJSGlobalPropertyCell());
   VerifyObjectField(kValueOffset);
 }
 
@@ skipping 348 matching lines @@
         ASSERT(e->IsUndefined());
       }
     }
   }
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal