diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 66e11e81ab4..a0bded3aea5 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -19,6 +19,7 @@
 #include "X86TargetMachine.h"
 #include "X86Relocations.h"
 #include "X86.h"
+#include "llvm/LLVMContext.h"
 #include "llvm/PassManager.h"
 #include "llvm/CodeGen/MachineCodeEmitter.h"
 #include "llvm/CodeGen/JITCodeEmitter.h"