164520 2016-11-08 11:03:01 -0800 Spread operation in the DFG/FTL for non-arrays can directly make a JS call to the builtin function that does iteration 2016-11-08 11:03:01 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified NEW P2 Normal --- 1 saam saam benjamin fpizlo ggaren gskachkov jfbastien keith_miller mark.lam msaboff oliver ticaiolima ysuzuki oldest_to_newest 1249083 0 saam 2016-11-08 11:03:01 -0800 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.