Ensure #if $MoveOnly feature guard evaluates to true.
#64560
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#if $MoveOnly feature guard evaluates to true.
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ktoso
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ktoso
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Mar 24, 2023
I enabled move-only types by default, but I didn't realize that the `Feature::MoveOnly` needs to graduate into a `LANGUAGE_FEATURE` so that `EvaluateIfConfigCondition` will recognize `$MoveOnly` as being true. fixes rdar://107050387
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This reverts commit abe377c. Co-authored-by: Konrad `ktoso` Malawski <konrad_malawski@apple.com>
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This was missing a 5.9 cherry pick; #64666 |
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There was a subtle issue with feature flags after I enabled move-only types by default. Turns out that the
$MoveOnlyfeature guard wasn't always evaluating to true when the-enable-experimental-move-onlyisn't provided. This change now ensures that's the case so that public noncopyable types compiled in different modules are picked up correctly.There's a separate sort of oddity where
hasFeature(Feature::Something)still evaluates to false, whereSomethingis an always-on feature. That will be addressed in a separate PR here: #64602resolves rdar://107050387