diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index 24b0abfdd34..585579b6ef2 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -26,6 +26,7 @@
 #include "llvm/Support/Streams.h"
 #include <algorithm>
 #include <list>
+#include <map>
 #include <utility>
 #ifndef NDEBUG
 #define YYDEBUG 1
diff --git a/tools/llvm-upgrade/UpgradeParser.y b/tools/llvm-upgrade/UpgradeParser.y
index ad72b3996ad..c003ffed343 100644
--- a/tools/llvm-upgrade/UpgradeParser.y
+++ b/tools/llvm-upgrade/UpgradeParser.y
@@ -23,6 +23,7 @@
 #include "llvm/Support/MathExtras.h"
 #include <algorithm>
 #include <iostream>
+#include <map>
 #include <list>
 #include <utility>