[Polly] Explicitly include all std headers

There were some recent header changes, and now some std classes
are no longer available in ScopDetection.cpp with the pre-existing
includes.

diff --git a/polly/lib/Analysis/ScopDetection.cpp b/polly/lib/Analysis/ScopDetection.cpp
index c358f76..2d7c1c3 100644 (file)
--- a/polly/lib/Analysis/ScopDetection.cpp
+++ b/polly/lib/Analysis/ScopDetection.cpp
@@ -78,7 +78,13 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
+#include <algorithm>
 #include <cassert>
+#include <memory>
+#include <stack>
+#include <string>
+#include <utility>
+#include <vector>
 
 using namespace llvm;
 using namespace polly;