[5.7] Reject .NET subtraction and quote range operands #518
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We can do the semantic members check up-front.
Tighten up validation of character class range operands such that we reject quotes and custom character classes. This includes rejecting syntax that would be a subtraction in .NET. We throw a custom error that suggests using `--` instead.
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@swift-ci please test |
stephentyrone
approved these changes
Jun 28, 2022
This was referenced Jun 28, 2022
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5.7 cherry-pick of #517
Tighten up validation of character class range operands such that we reject quotes and custom character classes. This includes rejecting syntax that would be a subtraction in .NET. We throw a custom error that suggests using
--instead.