[4.0] Do stricter checking of -D command line arguments #10739
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jrose-apple
commented
Jul 1, 2017
jrose-apple
commented
- Explanation: Unlike C, Swift only accepts simple identifiers for its -D flags, which are either present or absent. Previously we just silently let these options by; this patch makes the driver emit a warning.
- Scope: Only people passing invalid options.
- Issue: SR-2404 / rdar://problem/22157790
- Reviewed by: me (patch by @erikjv and @CodaFi)
- Risk: Low. It's just a warning.
- Testing: Added a compiler regression test.
[Shepherd] Do stricter checking of -D command line arguments
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@swift-ci Please test |
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