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hablich authored
Revert of [TypeFeedbackVector] Root literal arrays in function literals slots (patchset #11 id:370001 of https://codereview.chromium.org/2504153002/ ) Reason for revert: Speculative revert because of blocked roll: https://codereview.chromium.org/2596013002/ Original issue's description: > [TypeFeedbackVector] Root literal arrays in function literals slots > > Literal arrays and feedback vectors for a function can be garbage > collected if we don't have a rooted closure for the function, which > happens often. It's expensive to come back from this (recreating > boilerplates and gathering feedback again), and the cost is > disproportionate if the function was inlined into optimized code. > > To guard against losing these arrays when we need them, we'll now > create literal arrays when creating the feedback vector for the outer > closure, and root them strongly in that vector. > > BUG=v8:5456 > > Review-Url: https://codereview.chromium.org/2504153002 > Cr-Commit-Position: refs/heads/master@{#41893} > Committed: https://chromium.googlesource.com/v8/v8/+/93df094081f04c629c3df2e40318de90ce5e0fb9 TBR=bmeurer@chromium.org,mlippautz@chromium.org,mvstanton@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=v8:5456 Review-Url: https://codereview.chromium.org/2597163002 Cr-Commit-Position: refs/heads/master@{#41917}
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