Added a flag to identify resolved overloaded function references.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141171 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 23 insertions, 12 deletions

diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 37299d9633..e50dcbe4b0 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -3837,14 +3837,17 @@ Expr *ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) {
   QualType T = Importer.Import(E->getType());
   if (T.isNull())
     return 0;
-  
-  return DeclRefExpr::Create(Importer.getToContext(), 
-                             Importer.Import(E->getQualifierLoc()),
-                             ToD,
-                             Importer.Import(E->getLocation()),
-                             T, E->getValueKind(),
-                             FoundD,
-                             /*FIXME:TemplateArgs=*/0);
+
+  DeclRefExpr *DRE = DeclRefExpr::Create(Importer.getToContext(), 
+                                         Importer.Import(E->getQualifierLoc()),
+                                         ToD,
+                                         Importer.Import(E->getLocation()),
+                                         T, E->getValueKind(),
+                                         FoundD,
+                                         /*FIXME:TemplateArgs=*/0);
+  if (E->hadMultipleCandidates())
+    DRE->setHadMultipleCandidates(true);
+  return DRE;
 }
 
 Expr *ASTNodeImporter::VisitIntegerLiteral(IntegerLiteral *E) {
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index 95b03ee183..ad5ec8b833 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -49,6 +49,7 @@ CXXNewExpr::CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew,
                        SourceRange TypeIdParens, Expr *arraySize,
                        CXXConstructorDecl *constructor, bool initializer,
                        Expr **constructorArgs, unsigned numConsArgs,
+                       bool HadMultipleCandidates,
                        FunctionDecl *operatorDelete,
                        bool usualArrayDeleteWantsSize, QualType ty,
                        TypeSourceInfo *AllocatedTypeInfo,
@@ -61,6 +62,7 @@ CXXNewExpr::CXXNewExpr(ASTContext &C, bool globalNew, FunctionDecl *operatorNew,
          ty->containsUnexpandedParameterPack()),
     GlobalNew(globalNew), Initializer(initializer),
     UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize),
+    HadMultipleCandidates(HadMultipleCandidates),
     SubExprs(0), OperatorNew(operatorNew),
     OperatorDelete(operatorDelete), Constructor(constructor),
     AllocatedTypeInfo(AllocatedTypeInfo), TypeIdParens(TypeIdParens),
@@ -628,11 +630,13 @@ CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(ASTContext &C,
                                                Expr **Args,
                                                unsigned NumArgs,
                                                SourceRange parenRange,
+                                               bool HadMultipleCandidates,
                                                bool ZeroInitialization)
   : CXXConstructExpr(C, CXXTemporaryObjectExprClass, 
                      Type->getType().getNonReferenceType(), 
                      Type->getTypeLoc().getBeginLoc(),
-                     Cons, false, Args, NumArgs, ZeroInitialization,
+                     Cons, false, Args, NumArgs,
+                     HadMultipleCandidates, ZeroInitialization,
                      CXXConstructExpr::CK_Complete, parenRange),
     Type(Type) {
 }
@@ -646,11 +650,13 @@ CXXConstructExpr *CXXConstructExpr::Create(ASTContext &C, QualType T,
                                            SourceLocation Loc,
                                            CXXConstructorDecl *D, bool Elidable,
                                            Expr **Args, unsigned NumArgs,
+                                           bool HadMultipleCandidates,
                                            bool ZeroInitialization,
                                            ConstructionKind ConstructKind,
                                            SourceRange ParenRange) {
   return new (C) CXXConstructExpr(C, CXXConstructExprClass, T, Loc, D, 
-                                  Elidable, Args, NumArgs, ZeroInitialization,
+                                  Elidable, Args, NumArgs,
+                                  HadMultipleCandidates, ZeroInitialization,
                                   ConstructKind, ParenRange);
 }
 
@@ -658,7 +664,8 @@ CXXConstructExpr::CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T,
                                    SourceLocation Loc,
                                    CXXConstructorDecl *D, bool elidable,
                                    Expr **args, unsigned numargs,
-                                   bool ZeroInitialization, 
+                                   bool HadMultipleCandidates,
+                                   bool ZeroInitialization,
                                    ConstructionKind ConstructKind,
                                    SourceRange ParenRange)
   : Expr(SC, T, VK_RValue, OK_Ordinary,
@@ -666,7 +673,8 @@ CXXConstructExpr::CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T,
          T->isInstantiationDependentType(),
          T->containsUnexpandedParameterPack()),
     Constructor(D), Loc(Loc), ParenRange(ParenRange),  NumArgs(numargs),
-    Elidable(elidable), ZeroInitialization(ZeroInitialization), 
+    Elidable(elidable), HadMultipleCandidates(HadMultipleCandidates),
+    ZeroInitialization(ZeroInitialization),
     ConstructKind(ConstructKind), Args(0)
 {
   if (NumArgs) {