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Fix undetermined SPMI behavior. - #34183

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sandreenko merged 2 commits into
dotnet:masterfrom
sandreenko:fixSPMIDiffsBehaviour
Mar 27, 2020
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Fix undetermined SPMI behavior.#34183
sandreenko merged 2 commits into
dotnet:masterfrom
sandreenko:fixSPMIDiffsBehaviour

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The observed behavior was very funny: I was getting hundreds of diffs with the same -b and -d jit, but when I turned JitDump on they were all disappearing, took me a while to catch the issue.

The new field was added in #32270, @fadimounir please notify jit-contrib if you add or delete fields from struct CORINFO_*, because we need to mirror that in SPMI.

It will require a new SPMI collection (the old will fail with buffer overread).

@sandreenkosandreenko added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Mar 27, 2020
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sandreenko merged commit d6e3a0f into dotnet:masterMar 27, 2020
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area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

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@sandreenko@BruceForstall