Don't allow the same function to enter the overload candidate set
multiple times. This requires to be more careful about re-adding
candidates cached from the function template definition.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82967 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaOverload.h b/lib/Sema/SemaOverload.h
index 17f5598..898393a 100644
--- a/lib/Sema/SemaOverload.h
+++ b/lib/Sema/SemaOverload.h
@@ -261,7 +261,16 @@
/// OverloadCandidateSet - A set of overload candidates, used in C++
/// overload resolution (C++ 13.3).
- typedef llvm::SmallVector<OverloadCandidate, 16> OverloadCandidateSet;
+ class OverloadCandidateSet : public llvm::SmallVector<OverloadCandidate, 16> {
+ llvm::SmallPtrSet<Decl *, 16> Functions;
+
+ public:
+ /// \brief Determine when this overload candidate will be new to the
+ /// overload set.
+ bool isNewCandidate(Decl *F) {
+ return Functions.insert(F->getCanonicalDecl());
+ }
+ };
} // end namespace clang
#endif // LLVM_CLANG_SEMA_OVERLOAD_H