[SILGen] Fix swift repl to not crash on async code.#89359
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`swift repl` crashes when someone attempts to use async code because it fails to find the main module (there isn't one), then it tries to call `getMainTypeDecl()` on the non-existent main module. rdar://177393479
al45tair
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🍒 release cherry pick
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@swift-ci Please test |
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Explanation: In the repl, there isn't a main module configured, so the code that tries to set up Swift Concurrency crashes while trying to look for the executors to use. |
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@swift-ci Please test Windows platform |
tbkka
approved these changes
Jun 4, 2026
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swift replcrashes when someone attempts to use async code because it fails to find the main module (there isn't one), then it tries to callgetMainTypeDecl()on the non-existent main module.rdar://177393479