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Disable OSR by default#3201

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disable-osr
Open

Disable OSR by default#3201
timcassell wants to merge 1 commit into
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disable-osr

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@timcassell

@timcassell timcassell commented Jul 18, 2026

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Avoids the runtime bug of duplicated instrumented tiers when OSR is enabled to reduce time spent in the JIT stage with out-of-process CoreCLR toolchains with the default run strategy (#3143 (comment)). I think it should not affect the complete tier1 codegen. cc @AndyAyersMS @EgorBo

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