[DeclPrinter] Don't crash when printing a using decl with a special name

Fixes PR24872.

llvm-svn: 248376

2 files changed, 9 insertions, 1 deletions

diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp
index 3202d8c7543..2c3cee29932 100644
--- a/clang/lib/AST/DeclPrinter.cpp
+++ b/clang/lib/AST/DeclPrinter.cpp
@@ -1299,7 +1299,7 @@ void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
   if (!D->isAccessDeclaration())
     Out << "using ";
   D->getQualifier()->print(Out, Policy);
-  Out << D->getName();
+  Out << D->getDeclName();
 }
 
 void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {
diff --git a/clang/test/SemaCXX/ast-print.cpp b/clang/test/SemaCXX/ast-print.cpp
index 1b57406a64f..059804c81a9 100644
--- a/clang/test/SemaCXX/ast-print.cpp
+++ b/clang/test/SemaCXX/ast-print.cpp
@@ -219,3 +219,11 @@ struct CXXFunctionalCastExprPrint {} fce = CXXFunctionalCastExprPrint{};
 
 // CHECK: struct CXXTemporaryObjectExprPrint toe = CXXTemporaryObjectExprPrint{};
 struct CXXTemporaryObjectExprPrint { CXXTemporaryObjectExprPrint(); } toe = CXXTemporaryObjectExprPrint{};
+
+namespace PR24872 {
+// CHECK: template <typename T> struct Foo : T {
+// CHECK: using T::operator-;
+template <typename T> struct Foo : T {
+  using T::operator-;
+};
+}