SILGen: Skip SIL verification and optimization if errors were emitted #75846
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In lazy typechecking mode, errors in the program may only be discovered during SILGen, which can leave the SIL in a bad state for subsequent stages of compilation. If errors were detected, skip SIL verification and optimization to prevent knock-on failures. Partially reverts swiftlang#75428, which included a more targeted fix for one of the possible knock-on effects of bad SIL coming out of SILGen. Resolves rdar://132107752.
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@swift-ci please smoke test |
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In lazy typechecking mode, errors in the program may only be discovered during SILGen, which can leave the SIL in a bad state for subsequent stages of compilation. If errors were detected, skip SIL verification and optimization to prevent knock-on failures.
Partially reverts #75428, which included a more targeted fix for one of the possible knock-on effects of bad SIL coming out of SILGen.
Resolves rdar://132107752.