Remove calls to tobj() when we know we must have a GCBOX. - #177
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At the moment a `Val` can only be `INT` or `GCBOX`, so in cases where we've checked to see if `self` is an `INT`, the only remaining case is `GCBOX`. The locations changed in this commit implicitly checked that `self` was a `GCBOX` twice: by using unsafe `gcbox_to_tobj` function, we can remove the second (pointless) check. This is a just about measurable improvement on the JSON benchmark at about 1%.
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Needs softdevteam/libgc#19 to be merged first.
At the moment a
Valcan only beINTorGCBOX, so in cases where we've checked to see ifselfis anINT, the only remaining case isGCBOX. The locations changed in this commit implicitly checked thatselfwas aGCBOXtwice: by using unsafe
gcbox_to_tobjfunction, we can remove the second (pointless) check. This is a just about measurable improvement on the JSON benchmark at about 1%.