--- a/src/hotspot/share/c1/c1_LIRAssembler.cpp	Fri Mar 16 08:26:53 2018 -0400
+++ b/src/hotspot/share/c1/c1_LIRAssembler.cpp	Fri Mar 16 09:12:13 2018 -0400
@@ -30,6 +30,7 @@
 #include "c1/c1_MacroAssembler.hpp"
 #include "c1/c1_ValueStack.hpp"
 #include "ci/ciInstance.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "runtime/os.hpp"
 
 void LIR_Assembler::patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) {