SIL: Verify kinds of vtable entries.#32171
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jckarter merged 1 commit intoswiftlang:masterfrom Jun 4, 2020
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Validate that inherited entries are not left at "normal" state, and that non-overridden entries do not in fact have overrides.
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@swift-ci Please test |
gottesmm
reviewed
Jun 4, 2020
| validKind = false; | ||
| break; | ||
| } | ||
| assert(validKind && "vtable entry in root class must not be inherited or override"); |
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continue and eliminate the else? E.x.:
if (...) {
assert(validKind, ...)
continue;
}
if (superVTable) {
...
}
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The reason why I am suggesting this is that it makes it clearer that the if statement will never cause any code beneath it to be evaluated. Without this, I have to scan after the else if to see if that code may be run after the first if completes. In contrast, with the early continue like this I now have a nice invariant I can use when scanning the code below. Take it or leave it ; ).
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Validate that inherited entries are not left at "normal" state, and that non-overridden entries do not in fact have overrides.