Rephrase use of 'guard let' not supported by older compilers. #1233
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'guard let X else {}' works with latest Swift compilers (such as one used in swift-driver CI) but isn't supported in some older compilres used in CI and other bots.
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@swift-ci test |
artemcm
referenced
this pull request
Dec 1, 2022
…as incremental build state On an incremental build, load a prior dependency graph, check if it is still valid: 1. import set of the current module has not changed 2. input files of every module in the prior graph are older than the output and if it is, re-use it, skipping invoking the dependency scanner again. Partially resolves rdar://66801475
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'guard let X else {}' works with latest Swift compilers (such as one used in swift-driver CI) but isn't supported in some older compilres used in CI and other bots.