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Remove incorrect type relationship

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This commit is contained in:
Anders Hejlsberg 2017-01-11 11:50:30 -08:00
parent 13ce0e9414
commit 1f4cbcefb1
1 changed files with 0 additions and 10 deletions
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10
src/compiler/checker.ts
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@ -7409,16 +7409,6 @@ namespace ts {
}
}
}
else {
// Given a type parameter K with a constraint keyof T, a type S is
// assignable to K if S is assignable to keyof T.
const constraint = getConstraintOfTypeParameter(<TypeParameter>target);
if (constraint && constraint.flags & TypeFlags.Index) {
if (result = isRelatedTo(source, constraint, reportErrors)) {
return result;
}
}
}
}
else if (target.flags & TypeFlags.Index) {
// A keyof S is related to a keyof T if T is related to S.