1 files changed, 11 insertions, 5 deletions
diff --git a/include/clang/Index/IndexDataConsumer.h b/include/clang/Index/IndexDataConsumer.h
index bc1d86696df9..72747821bf54 100644
--- a/include/clang/Index/IndexDataConsumer.h
+++ b/include/clang/Index/IndexDataConsumer.h
@@ -32,7 +32,7 @@ public:
     const DeclContext *ContainerDC;
   };
 
-  virtual ~IndexDataConsumer() {}
+  virtual ~IndexDataConsumer() = default;
 
   virtual void initialize(ASTContext &Ctx) {}
 
@@ -41,12 +41,16 @@ public:
   /// \returns true to continue indexing, or false to abort.
   virtual bool handleDeclOccurence(const Decl *D, SymbolRoleSet Roles,
                                    ArrayRef<SymbolRelation> Relations,
-                                   SourceLocation Loc, ASTNodeInfo ASTNode);
+                                   SourceLocation Loc, ASTNodeInfo ASTNode) {
+    return true;
+  }
 
   /// \returns true to continue indexing, or false to abort.
   virtual bool handleMacroOccurence(const IdentifierInfo *Name,
                                     const MacroInfo *MI, SymbolRoleSet Roles,
-                                    SourceLocation Loc);
+                                    SourceLocation Loc) {
+    return true;
+  }
 
   /// \returns true to continue indexing, or false to abort.
   ///
@@ -54,8 +58,10 @@ public:
   /// For "@import MyMod.SubMod", there will be a call for 'MyMod' with the
   /// 'reference' role, and a call for 'SubMod' with the 'declaration' role.
   virtual bool handleModuleOccurence(const ImportDecl *ImportD,
-                                     const Module *Mod,
-                                     SymbolRoleSet Roles, SourceLocation Loc);
+                                     const Module *Mod, SymbolRoleSet Roles,
+                                     SourceLocation Loc) {
+    return true;
+  }
 
   virtual void finish() {}
 };