1 files changed, 9 insertions, 1 deletions
diff --git a/include/clang/Basic/Module.h b/include/clang/Basic/Module.h
index 326d84eeb6c2..1e52b29367b2 100644
--- a/include/clang/Basic/Module.h
+++ b/include/clang/Basic/Module.h
@@ -154,11 +154,19 @@ public:
   /// \brief Stored information about a header directive that was found in the
   /// module map file but has not been resolved to a file.
   struct UnresolvedHeaderDirective {
+    HeaderKind Kind = HK_Normal;
     SourceLocation FileNameLoc;
     std::string FileName;
-    bool IsUmbrella;
+    bool IsUmbrella = false;
+    bool HasBuiltinHeader = false;
+    Optional<off_t> Size;
+    Optional<time_t> ModTime;
   };
 
+  /// Headers that are mentioned in the module map file but that we have not
+  /// yet attempted to resolve to a file on the file system.
+  SmallVector<UnresolvedHeaderDirective, 1> UnresolvedHeaders;
+
   /// \brief Headers that are mentioned in the module map file but could not be
   /// found on the file system.
   SmallVector<UnresolvedHeaderDirective, 1> MissingHeaders;