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Unlink FriendDecl from linked list in CXXRecordDecl.

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This commit is contained in:
Frederich Munch 2017-01-25 22:13:17 -05:00 committed by sftnight
parent f87922659d
commit 7161f8660b
1 changed files with 32 additions and 0 deletions
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32
lib/Interpreter/DeclUnloader.cpp
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@ -771,6 +771,38 @@ bool DeclUnloader::VisitRedeclarable(clang::Redeclarable<T>* R, DeclContext* DC)
else if (NamedDecl* ND = FD->getFriendDecl())
Successful &= Visit(ND);
// Is it possible to unload a friend but not the parent class?
// This requires adding DeclUnloader as a friend to FriendDecl
#if 0
// Unlink the FriendDecl from linked list in CXXRecordDecl
TagDecl* Parent = dyn_cast_or_null<TagDecl>(FD->getDeclContext());
if (CXXRecordDecl* CD = dyn_cast_or_null<CXXRecordDecl>(Parent)) {
Successful = false;
if (FriendDecl *First = CD->getFirstFriend()) {
if (First != FD) {
FriendDecl *Prev = First;
for (FriendDecl* Cur : CD->friends()) {
if (Cur == FD) {
Prev->NextFriend = Cur->NextFriend;
Successful = true;
break;
}
Prev = Cur;
}
} else {
Successful = true;
CD->data().FirstFriend = nullptr;
}
}
// Arrived back here through recursion?
if (!Successful)
return true;
Successful = true;
}
#endif
Successful &= VisitDecl(FD);
return Successful;
}