NEW 164520
Spread operation in the DFG/FTL for non-arrays can directly make a JS call to the builtin function that does iteration 
https://bugs.webkit.org/show_bug.cgi?id=164520
Summary Spread operation in the DFG/FTL for non-arrays can directly make a JS call to...
Saam Barati
Reported 2016-11-08 11:03:01 PST
After https://bugs.webkit.org/show_bug.cgi?id=164258 lands, we will first call into C, and then call back out to JS. We should probably make the JIT just call directly to JS. This will probably improve the speed, especially for short iterations.
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