If a catch OSR exit becomes hot but we didn't compile the catch in DFG IR, we should consider reoptimizing the codeblock 
https://bugs.webkit.org/show_bug.cgi?id=175842
Summary If a catch OSR exit becomes hot but we didn't compile the catch in DFG IR, we...
Saam Barati
Reported 2017-08-22 12:49:50 PDT
What could happen is: - We notice an op_catch never executes, so we don't compile it - Then we start exiting to that op_catch - We never jettison In such situations, it could be useful to jettison and reoptimize so the catch is optimized
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