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tebbi authored
Revert of [turbofan] fix another divergence in escape analysis (patchset #1 id:1 of https://codereview.chromium.org/2599793002/ ) Reason for revert: Caused memory corruption. BUG=chromium:676767 Original issue's description: > [turbofan] fix another divergence in escape analysis > > This divergence bug is very similar to the one fixed in https://codereview.chromium.org/2522253002/, this time it is an oscillation between a cleared field and a new phi node. The page http://www.sears.com/clothing-shoes-jewelry-clothing-men-s-clothing-men-s-jeans/b-1325287370?Brand=LEE&filterList=Brand&sortOption=UNITS_HIGH_TO_LOW allows for a reliable reproduction. > > This fix makes sure that once a field that generated a phi gets cleared, it always stays cleared. > > BUG=chromium:670202 > > R=bmeurer@chromium.org > > Review-Url: https://codereview.chromium.org/2599793002 > Cr-Commit-Position: refs/heads/master@{#41922} > Committed: https://chromium.googlesource.com/v8/v8/+/8435cc852672c504d5899cc2765c5b895e658efe TBR=bmeurer@chromium.org # Not skipping CQ checks because original CL landed more than 1 days ago. BUG=chromium:670202 Review-Url: https://codereview.chromium.org/2611623002 Cr-Commit-Position: refs/heads/master@{#42023}
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