diff --git a/clang/tools/libclang/CXLoadedDiagnostic.h b/clang/tools/libclang/CXLoadedDiagnostic.h
index 93995d7bb798c..5ad9e1c32a92f 100644
--- a/clang/tools/libclang/CXLoadedDiagnostic.h
+++ b/clang/tools/libclang/CXLoadedDiagnostic.h
@@ -71,11 +71,11 @@ class CXLoadedDiagnostic : public CXDiagnosticImpl {
 
   struct Location {
     CXFile file;
-    unsigned line;
-    unsigned column;
-    unsigned offset;
+    unsigned line = 0;
+    unsigned column = 0;
+    unsigned offset = 0;
     
-    Location() : line(0), column(0), offset(0) {}    
+    Location() = default;
   };
   
   Location DiagLoc;