[stack-switching] Unboxed continuation build option #547
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titzer
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Jan 6, 2026
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titzer
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Awesome, with only the minor-est of comments :)
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This PR introduces an unboxed stack-switching implementation that avoids heap allocation when creating continuations via
suspend/switch. This behavior can be configured at build-time: the build defaults to the unboxed mode, and the boxed implementation can be enabled by passing--boxed-continuationtobuild.sh.