diff --git a/src/compiler/CompilerUtility.h b/src/compiler/CompilerUtility.h
index 357fe51..41f6cf1 100644
--- a/src/compiler/CompilerUtility.h
+++ b/src/compiler/CompilerUtility.h
@@ -118,6 +118,7 @@
                         const ArenaBitVector* src2);
 bool oatCompareBitVectors(const ArenaBitVector* src1,
                           const ArenaBitVector* src2);
+bool oatTestBitVectors(const ArenaBitVector* src1, const ArenaBitVector* src2);
 int oatCountSetBits(const ArenaBitVector* pBits);
 
 void oatDumpLIRInsn(CompilationUnit* cUnit, struct LIR* lir,