Don't include <map> in Pass.h, which doesn't need it. This requires
adding <map> to many files that actually do need it.

llvm-svn: 48667
diff --git a/llvm/lib/Transforms/Scalar/TailDuplication.cpp b/llvm/lib/Transforms/Scalar/TailDuplication.cpp
index c0b7e79..929d113 100644
--- a/llvm/lib/Transforms/Scalar/TailDuplication.cpp
+++ b/llvm/lib/Transforms/Scalar/TailDuplication.cpp
@@ -32,6 +32,7 @@
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/ADT/Statistic.h"
+#include <map>
 using namespace llvm;
 
 STATISTIC(NumEliminated, "Number of unconditional branches eliminated");