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danno authored
Revert of Collect type feedback on result of Math.[round|ceil|floor] (patchset #13 id:230001 of https://codereview.chromium.org/1053143005/) Reason for revert: All sorts of performance regressions Original issue's description: > Collect type feedback on result of Math.[round|ceil|floor] > > By recording invocations of these builtins that can return -0, we now learn to not emit Crankshaft code that only handles integer results, avoiding deopt loops. > > Committed: https://crrev.com/f36ecaf3a4d61568ca50a20718acce7dd5da9a5f > Cr-Commit-Position: refs/heads/master@{#28215} TBR=mvstanton@chromium.org,bmeurer@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.chromium.org/1115973005 Cr-Commit-Position: refs/heads/master@{#28237}
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