[AutoDiff] Fix false Differentiable derived conformances warning.
#32527
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Fix false `Differentiable` derived conformances warning on `@differentiable` property-wrapped properties. Check property mutability using `VarDecl::isSettable` instead of `VarDecl::getAccessor(AccessorKind::Set)`. Some settable properties do not have setters, depending on the underlying `WriteImplKind`. Resolves SR-13071.
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@swift-ci Please smoke test |
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Merging to unblock progress, the fix should not be controversial. |
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Fix false
Differentiablederived conformances warning on@differentiableproperty-wrapped properties.Check property mutability using
VarDecl::isSettableinstead ofVarDecl::getAccessor(AccessorKind::Set).Some settable properties do not have setters, depending on the underlying
WriteImplKind.Resolves SR-13071.