diff --git a/vm/compiler/CompilerIR.h b/vm/compiler/CompilerIR.h
index dd1d441..89cd141 100644
--- a/vm/compiler/CompilerIR.h
+++ b/vm/compiler/CompilerIR.h
@@ -211,6 +211,7 @@
     bool hasLoop;                       // Contains a loop
     bool hasInvoke;                     // Contains an invoke instruction
     bool heapMemOp;                     // Mark mem ops for self verification
+    bool usesLinkRegister;              // For self-verification only
     int profileCodeSize;                // Size of the profile prefix in bytes
     int numChainingCells[kChainingCellGap];
     LIR *firstChainingLIR[kChainingCellGap];