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cdai2 authored
port e4782a9b (r28782) original commit message: Previously the %_DateField intrinsic would also check the object and throw an exception if you happen to pass something that is not a valid JSDate, which (a) violates our policy for instrinsics and (b) is hard to optimize in TurboFan (even Crankshaft has a hard time, but there we will never inline the relevant builtins, so it doesn't show up). The throwing part is now a separate intrinsics %_ThrowIfNotADate that throws an exception in full codegen and deoptimizes in Crankshaft, which means the code for the current use cases is roughly the same (modulo some register renamings/gap moves). BUG= R=weiliang.lin@intel.com Review URL: https://codereview.chromium.org/1174913002 Cr-Commit-Position: refs/heads/master@{#28948}
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