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

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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@254867 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/ASTDumper.cpp b/lib/AST/ASTDumper.cpp
index d5e5372f01fd3b9f8bc54c1f9e558423436f93ca..f94bd49fd857260fe448a3944f20d21cb0bb27a7 100644 (file)
--- a/lib/AST/ASTDumper.cpp
+++ b/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());
 }