diff --git a/llvm/lib/ExecutionEngine/RTDyldMemoryManager.cpp b/llvm/lib/ExecutionEngine/RTDyldMemoryManager.cpp
index 0372bb6ce587..6eee0d56c26b 100644
--- a/llvm/lib/ExecutionEngine/RTDyldMemoryManager.cpp
+++ b/llvm/lib/ExecutionEngine/RTDyldMemoryManager.cpp
@@ -16,6 +16,8 @@
 #include "llvm/Support/DynamicLibrary.h"
 #include "llvm/Support/ErrorHandling.h"
 
+#include <cstdlib>
+
 #ifdef __linux__
   // These includes used by RTDyldMemoryManager::getPointerToNamedFunction()
   // for Glibc trickery. See comments in this function for more information.