[TypeChecker] Improve error about mutating self capture by escaping c… #20847
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…losure Closures can't explicitly capture a mutating self parameter, so let's re-word diagnostic to point what what actual problem here is, and add a note about ways to fix the code. Thanks to Cory Benfield for message suggestion. Resolves: [SR-9314](https://bugs.swift.org/browse/SR-9314) Resolves: rdar://problem/46322943
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@swift-ci please smoke test |
Lukasa
approved these changes
Nov 29, 2018
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…losure
Closures can't explicitly capture a mutating self parameter, so
let's re-word diagnostic to point what what actual problem here
is, and add a note about ways to fix the code.
Thanks to Cory Benfield for message suggestion.
Resolves: SR-9314
Resolves: rdar://problem/46322943