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[CSOptimizer] Desugar types before checking for equality

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This commit is contained in:
Pavel Yaskevich
2024-09-23 11:53:00 -07:00
parent 8d5cb112ef
commit 802f5cd105
1 changed files with 6 additions and 2 deletions
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8
lib/Sema/CSOptimizer.cpp
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@@ -380,11 +380,15 @@ static Constraint *determineBestChoicesInContext(
scoreCandidateMatch = [&](GenericSignature genericSig,
Type candidateType, Type paramType,
MatchOptions options) -> double {
auto areEqual = [](Type a, Type b) {
return a->getDesugaredType()->isEqual(b->getDesugaredType());
};
if (options.contains(MatchFlag::ExactOnly))
return candidateType->isEqual(paramType) ? 1 : 0;
return areEqual(candidateType, paramType) ? 1 : 0;
// Exact match between candidate and parameter types.
if (candidateType->isEqual(paramType))
if (areEqual(candidateType, paramType))
return options.contains(MatchFlag::Literal) ? 0.3 : 1;
if (options.contains(MatchFlag::Literal))