Fix crash in ASTDumper when dumping NamedDecl with NULL getQualifier().

Reviewed by: aaron.ballman
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D15254

llvm-svn: 254867

1 files changed, 6 insertions, 3 deletions

diff --git a/clang/lib/AST/ASTDumper.cpp b/clang/lib/AST/ASTDumper.cpp
index d5e5372f01f..f94bd49fd85 100644
--- a/clang/lib/AST/ASTDumper.cpp
+++ b/clang/lib/AST/ASTDumper.cpp
@@ -1385,20 +1385,23 @@ void ASTDumper::VisitTemplateTemplateParmDecl(
 
 void ASTDumper::VisitUsingDecl(const UsingDecl *D) {
   OS << ' ';
-  D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
+  if (D->getQualifier())
+    D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
   OS << D->getNameAsString();
 }
 
 void ASTDumper::VisitUnresolvedUsingTypenameDecl(
     const UnresolvedUsingTypenameDecl *D) {
   OS << ' ';
-  D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
+  if (D->getQualifier())
+    D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
   OS << D->getNameAsString();
 }
 
 void ASTDumper::VisitUnresolvedUsingValueDecl(const UnresolvedUsingValueDecl *D) {
   OS << ' ';
-  D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
+  if (D->getQualifier())
+    D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
   OS << D->getNameAsString();
   dumpType(D->getType());
 }