Remove unused member variable.

Fixes pr20904.

llvm-svn: 219706
diff --git a/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp b/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp
index 46cd60a..f6f34ba 100644
--- a/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp
+++ b/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp
@@ -46,8 +46,7 @@
 bool MachineFunctionAnalysis::runOnFunction(Function &F) {
   assert(!MF && "MachineFunctionAnalysis already initialized!");
   MF = new MachineFunction(&F, TM, NextFnNum++,
-                           getAnalysis<MachineModuleInfo>(),
-                           getAnalysisIfAvailable<GCModuleInfo>());
+                           getAnalysis<MachineModuleInfo>());
   return false;
 }