1 files changed, 3 insertions, 0 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index b0303797e4..e664855067 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1423,6 +1423,9 @@ QualType ASTContext::getBlockPointerType(QualType T) const {
 /// lvalue reference to the specified type.
 QualType
 ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const {
+  assert(getCanonicalType(T) != OverloadTy && 
+         "Unresolved overloaded function type");
+  
   // Unique pointers, to guarantee there is only one pointer of a particular
   // structure.
   llvm::FoldingSetNodeID ID;