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Suppress GS cookie checks in method epilogs #40637

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merged 1 commit into from
Aug 11, 2020
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@jkotas jkotas commented Aug 10, 2020

The information about end of GS cookie scope recorded in GC info is not accurate and it cannot even be made accurate without redesign that is not worth it. Detect end of GS cookie scope by comparing it with current SP instead.

Fixes #13041

The information about end of GS cookie scope recorded in GC info is not accurate and it cannot even be made accurate without redesign that is not worth it. Detect end of GS cookie scope by comparing it with current SP instead.

Fixes dotnet#13041
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I couldn't figure out the best area label to add to this PR. If you have write-permissions please help me learn by adding exactly one area label.

@jkotas jkotas added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Aug 10, 2020
@jkotas jkotas requested a review from sandreenko August 10, 2020 22:38
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LGTM, thank you for fixing this on the VM side.

@jkotas jkotas merged commit 7d152b7 into dotnet:master Aug 11, 2020
@jkotas jkotas deleted the issue-13041 branch August 14, 2020 02:08
@karelz karelz added this to the 5.0.0 milestone Aug 18, 2020
@ghost ghost locked as resolved and limited conversation to collaborators Dec 7, 2020
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Wrong GSCookie range recorded in GCInfo
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