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Merge pull request #85487 from swiftlang/jepa-main4

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AST: Properly disallow isa/cast/dyn_cast on `Type`
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Anthony Latsis
2025-11-18 07:35:46 +00:00
committed by GitHub
parent 5c6f34163b dd5ac838e5
commit e62153187a
11 changed files with 48 additions and 35 deletions
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lib/Sema/CSSimplify.cpp
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@@ -9972,7 +9972,7 @@ ConstraintSystem::matchPackElementType(Type elementType, Type patternType,
return tryFix([&]() {
auto envShape = genericEnv->mapTypeIntoEnvironment(
genericEnv->getOpenedElementShapeClass());
if (auto *pack = dyn_cast<PackType>(envShape))
if (auto *pack = dyn_cast<PackType>(envShape.getPointer()))
envShape = pack->unwrapSingletonPackExpansion()->getPatternType();
return SkipSameShapeRequirement::create(