Closed
Bug 1687230
Opened 3 years ago
Closed 3 years ago
Don't DCE MegamorphicLoadSlot{ByValue} and MegamorphicHasProp
Categories
(Core :: JavaScript Engine: JIT, defect)
Core
JavaScript Engine: JIT
Tracking
()
RESOLVED
FIXED
86 Branch
| Tracking | Status | |
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| firefox86 | --- | fixed |
People
(Reporter: anba, Assigned: anba)
Details
Attachments
(1 file)
We can't DCE MegamorphicLoadSlot{ByValue} and MegamorphicHasProp, because we must bailout when accessor properties or proxies are encountered.
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Assignee | |
Comment 1•3 years ago
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Call setGuard() for these three instructions so we don't incorrectly optimise them out.
Pushed by smolnar@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/48913f408b55 Don't DCE MegamorphicLoadSlot{ByValue} and MegamorphicHasProp. r=jandem
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Comment 3•3 years ago
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| bugherder | ||
Status: ASSIGNED → RESOLVED
Closed: 3 years ago
Resolution: --- → FIXED
Target Milestone: --- → 86 Branch
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Description
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