Robert Fancsik e11c499b4b Reduce ecma_{ref, deref}_object calls while using ecma_builtin_get (#2616)
The following stucture was highly frequented in the code base:

 - Get a builtin object // This operation increases the reference count of the object
 - Use it for create a new object
 - Deref the builtin object

After a builtin has been instantiated there is always at least one reference to "keep it alive",
so increase/decrease the reference count for getting the value only is unnecessary.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2018-11-28 20:23:21 +01:00
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