[4.2] migrator: handle changed parameter declarations by introducing bridging local variables. #17894
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…ng local variables. When users override a SDK function whose parameter types have been changed, we should introduce a local variable in the body of the function definition to shadow the changed parameter. Also, a proper conversion function should be applied to bridge the parameter to the local variable. rdar://41828411
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@swift-ci please test |
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Explanation: When users override a SDK function whose parameter types have been changed,
we should introduce a local variable in the body of the function definition
to shadow the changed parameter. Also, a proper conversion function should
be applied to bridge the parameter to the local variable.
Scope: Swift 4.2 migrator
Issue: rdar://problem/41828411
Risk: Low
Testing: Added regression tests; manual tests using swift-migrate-test
Reviewed by: Nathan Hawes