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[release/6.0] Skip allocation for ZeroInit writeThru intervals - #58767
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ghost
commented
Sep 7, 2021
Tagging subscribers to this area: @JulieLeeMSFT Issue DetailsBackport of #58677 to release/6.0 /cc @kunalspathak Customer ImpactTestingRisk
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kunalspathak
commented
Sep 7, 2021
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@dotnet/jit-contrib |
JulieLeeMSFT
commented
Sep 7, 2021
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CC @AndyAyersMS for code review for RC2. |
AndyAyersMS
approved these changes
Sep 7, 2021
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Backport of #58677 to release/6.0
/cc @kunalspathak
Customer Impact
The problem was reported by a customer in #58539 where crossgen2 fails to run on Lucene.Net nuget package.
Testing
Local testing was done for the scenario that customer provided.
Risk
This is a low risk change because we will not allocate register in a rare situation - 1st refposition which needs zero initialization and whose interval is EH write-thru. On subsequent definition refposition, we will allocate the register.