1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Lex/PreprocessingRecord.cpp b/lib/Lex/PreprocessingRecord.cpp
index 55ae5dc233..2646c04dd5 100644
--- a/lib/Lex/PreprocessingRecord.cpp
+++ b/lib/Lex/PreprocessingRecord.cpp
@@ -174,3 +174,10 @@ void PreprocessingRecord::InclusionDirective(
                                             File, SourceRange(HashLoc, EndLoc));
   PreprocessedEntities.push_back(ID);
 }
+
+size_t PreprocessingRecord::getTotalMemory() const {
+  return BumpAlloc.getTotalMemory()
+    + MacroDefinitions.getMemorySize()
+    + PreprocessedEntities.capacity()
+    + LoadedPreprocessedEntities.capacity();
+}