Index: lib/AST/ASTImporter.cpp =================================================================== --- lib/AST/ASTImporter.cpp +++ lib/AST/ASTImporter.cpp @@ -3091,12 +3091,28 @@ FromConstructor->isExplicit(), D->isInlineSpecified(), D->isImplicit(), D->isConstexpr())) return ToFunction; - } else if (isa(D)) { + } else if (CXXDestructorDecl *FromDtor = dyn_cast(D)) { + + auto Imp = + importSeq(const_cast(FromDtor->getOperatorDelete()), + FromDtor->getOperatorDeleteThisArg()); + + if (!Imp) + return Imp.takeError(); + + FunctionDecl *ToOperatorDelete; + Expr *ToThisArg; + std::tie(ToOperatorDelete, ToThisArg) = *Imp; + if (GetImportedOrCreateDecl( ToFunction, D, Importer.getToContext(), cast(DC), ToInnerLocStart, NameInfo, T, TInfo, D->isInlineSpecified(), D->isImplicit())) return ToFunction; + + CXXDestructorDecl *ToDtor = cast(ToFunction); + + ToDtor->setOperatorDelete(ToOperatorDelete, ToThisArg); } else if (CXXConversionDecl *FromConversion = dyn_cast(D)) { if (GetImportedOrCreateDecl( Index: test/Import/destructor/Inputs/F.cpp =================================================================== --- test/Import/destructor/Inputs/F.cpp +++ test/Import/destructor/Inputs/F.cpp @@ -0,0 +1,3 @@ +struct B { + virtual ~B() {} +}; Index: test/Import/destructor/test.cpp =================================================================== --- test/Import/destructor/test.cpp +++ test/Import/destructor/test.cpp @@ -0,0 +1,10 @@ +// RUN: clang-import-test -dump-ast -import %S/Inputs/F.cpp -expression %s + +// Triggers the deserialization of B's destructor. +B b1; + +// CHECK: CXXDestructorDecl + +// CHECK-NEXT: ~B 'void () noexcept' virtual +// CHECK-SAME: 'void () noexcept' +// CHECK-SAME: virtual