Sema: Remove unused variable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179701 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index d2051b5..fd3489f 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -633,10 +633,6 @@
   unsigned NumParams = FD->getNumParams();
   unsigned p;
 
-  bool IsLambda = FD->getOverloadedOperator() == OO_Call &&
-                  isa<CXXMethodDecl>(FD) &&
-                  cast<CXXMethodDecl>(FD)->getParent()->isLambda();
-
   // Find first parameter with a default argument
   for (p = 0; p < NumParams; ++p) {
     ParmVarDecl *Param = FD->getParamDecl(p);