Fix build break

Author: boingoing

lib/Backend/BackwardPass.h

@@ -78,6 +78,7 @@ class BackwardPass
 #endif
 
     static bool UpdateImplicitCallBailOutKind(IR::Instr *const instr, bool needsBailOutOnImplicitCall, bool needsLazyBailOut);
+    static bool UpdateImplicitCallBailOutKind(IR::Instr* const instr, bool needsBailOutOnImplicitCall);
 
     bool ProcessNoImplicitCallUses(IR::Instr *const instr);
     void ProcessNoImplicitCallDef(IR::Instr *const instr);