Random include cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84898 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ADT/FoldingSet.h

@@ -19,7 +19,6 @@
 #include "llvm/Support/DataTypes.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
-#include <iterator>
 
 namespace llvm {
   class APFloat;

include/llvm/Metadata.h

@@ -21,7 +21,6 @@
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/ilist_node.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ValueHandle.h"
 
 namespace llvm {

lib/ExecutionEngine/JIT/JITDebugRegisterer.cpp

@@ -22,6 +22,7 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/MutexGuard.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/System/Mutex.h"