diff --git a/llvm/lib/Target/MSIL/MSILWriter.cpp b/llvm/lib/Target/MSIL/MSILWriter.cpp
index 6b572f3..8d9a1ea 100644
--- a/llvm/lib/Target/MSIL/MSILWriter.cpp
+++ b/llvm/lib/Target/MSIL/MSILWriter.cpp
@@ -35,7 +35,8 @@
 
     virtual bool WantsWholeFile() const { return true; }
     virtual bool addPassesToEmitWholeFile(PassManager &PM, raw_ostream &Out,
-                                         CodeGenFileType FileType, bool Fast);
+                                          CodeGenFileType FileType,
+                                          unsigned OptLevel);
 
     // This class always works, but shouldn't be the default in most cases.
     static unsigned getModuleMatchQuality(const Module &M) { return 1; }
@@ -1662,7 +1663,8 @@
 //===----------------------------------------------------------------------===//
 
 bool MSILTarget::addPassesToEmitWholeFile(PassManager &PM, raw_ostream &o,
-                                          CodeGenFileType FileType, bool Fast)
+                                          CodeGenFileType FileType,
+                                          unsigned OptLevel)
 {
   if (FileType != TargetMachine::AssemblyFile) return true;
   MSILWriter* Writer = new MSILWriter(o);