[ConstraintSystem] Record generic fix if destination of a pointer con… #33809
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…version is invalid If the right-hand side (destination) of value-to-pointer conversion is incorrect e.g. base type of member is a hole, let's record a generic "invalid conversion" failure. Resolves: rdar://problem/68254165
xedin
commented
Sep 4, 2020
| //problem/68254165 - Bad diagnostic when using String init(decodingCString:) with an incorrect pointer type | ||
| func rdar68254165(ptr: UnsafeMutablePointer<Int8>) { | ||
| _ = String(decodingCString: ptr, as: .utf8) // expected-error {{generic parameter 'Encoding' could not be inferred}} | ||
| // expected-error@-1 {{type '_.Type' has no member 'utf8'}} |
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New HoleType allows us to deal with this issue and avoid producing member diagnostic here. I'm going to implement that in a follow-up PR to separate concerns here...
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@swift-ci please smoke test |
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@swift-ci please smoke test macOS platform |
hborla
approved these changes
Sep 4, 2020
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@swift-ci please smoke test macOS platform |
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@swift-ci please smoke test Windows platform |
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@swift-ci please smoke test macOS platform |
1 similar comment
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@swift-ci please smoke test macOS platform |
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Windows failure is caused by #33306 |
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…version is invalid
If the right-hand side (destination) of value-to-pointer conversion
is incorrect e.g. base type of member is a hole, let's record
a generic "invalid conversion" failure.
Resolves: rdar://problem/68254165