diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index deba302e..f64962e 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -1141,6 +1141,7 @@
         // Decode function-like macro info.
         bool isC99VarArgs = Record[NextIndex++];
         bool isGNUVarArgs = Record[NextIndex++];
+        bool hasCommaPasting = Record[NextIndex++];
         MacroArgs.clear();
         unsigned NumArgs = Record[NextIndex++];
         for (unsigned i = 0; i != NumArgs; ++i)
@@ -1150,6 +1151,7 @@
         MI->setIsFunctionLike();
         if (isC99VarArgs) MI->setIsC99Varargs();
         if (isGNUVarArgs) MI->setIsGNUVarargs();
+        if (hasCommaPasting) MI->setHasCommaPasting();
         MI->setArgumentList(MacroArgs.data(), MacroArgs.size(),
                             PP.getPreprocessorAllocator());
       }