Convert a bunch of ASSERTs to STATIC_ASSERTs

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index b4c6a3a03e1efb81ccd3d0bfd5a95d6ba97715e5..3b0e96f1ef93793398b98eb7a5daa50ca1c156a6 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -171,7 +171,7 @@ bool Object::IsSymbol() {
   // Because the symbol tag is non-zero and no non-string types have the
   // symbol bit set we can test for symbols with a very simple test
   // operation.
-  ASSERT(kSymbolTag != 0);
+  STATIC_ASSERT(kSymbolTag != 0);
   ASSERT(kNotStringTag + kIsSymbolMask > LAST_TYPE);
   return (type & kIsSymbolMask) != 0;
 }
@@ -256,7 +256,7 @@ StringShape::StringShape(InstanceType t)
 
 bool StringShape::IsSymbol() {
   ASSERT(valid());
-  ASSERT(kSymbolTag != 0);
+  STATIC_ASSERT(kSymbolTag != 0);
   return (type_ & kIsSymbolMask) != 0;
 }