[ConstraintSystem] Bind missing member in pattern match to a hole early #38199
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If lookup failed to find a member for a pattern match, let's bind type variable representing such member to a hole right away, otherwise there is a risk of missing other potential hole locations in pattern function type (arguments + result type) because pattern matching doesn't use 'applicable function' constraint. Resolves: rdar://65667992
hborla
approved these changes
Jul 1, 2021
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If lookup failed to find a member for a pattern match, let's bind
type variable representing such member to a hole right away, otherwise
there is a risk of missing other potential hole locations in pattern
function type (arguments + result type) because pattern matching
doesn't use 'applicable function' constraint.
Resolves: rdar://65667992