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[Clang] Fix a regression introduced by #140073 #140288

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Merged
merged 1 commit into from
May 16, 2025
Merged

[Clang] Fix a regression introduced by #140073 #140288

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3 changes: 2 additions & 1 deletion clang/include/clang/Sema/Overload.h
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Original file line number Diff line number Diff line change
Expand Up @@ -435,7 +435,8 @@ class Sema;

// A function pointer type can be resolved to a member function type,
// which is still an identity conversion.
if (auto *N = T->getAs<MemberPointerType>())
if (auto *N = T->getAs<MemberPointerType>();
N && N->isMemberFunctionPointer())
T = C.getDecayedType(N->getPointeeType());
return T;
};
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23 changes: 23 additions & 0 deletions clang/test/SemaCXX/overload-resolution-deferred-templates.cpp
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Expand Up @@ -251,3 +251,26 @@ void f() {
e.g(&N::f);
}
}

#if __cplusplus >= 201402
namespace PointerToMemData {
struct N {
int field;
};
template <typename It, typename T>
struct B {
B(It, T);
template <typename It2>
B(B<It2, T>);
};
template <typename T>
struct C {
auto g() { return B<int, T>(0, T{}); }
};
void f() {
using T = decltype(C<decltype(&N::field)>{}.g());
}

}

#endif