remove some now-redundant forward declarations.

llvm-svn: 135578

clang/include/clang/AST/ASTContext.h

@@ -37,7 +37,6 @@
 
 namespace llvm {
   struct fltSemantics;
-  class raw_ostream;
 }
 
 namespace clang {

clang/include/clang/AST/ExternalASTSource.h

@@ -15,11 +15,6 @@
 #define LLVM_CLANG_AST_EXTERNAL_AST_SOURCE_H
 
 #include "clang/AST/DeclBase.h"
-#include <cassert>
-
-namespace llvm {
-template <class T> class SmallVectorImpl;
-}
 
 namespace clang {
 

clang/include/clang/AST/NestedNameSpecifier.h

@@ -18,10 +18,6 @@
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/PointerIntPair.h"
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
 
 class ASTContext;

clang/include/clang/AST/PrettyPrinter.h

@@ -16,10 +16,6 @@
 
 #include "clang/Basic/LangOptions.h"
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
 
 class Stmt;

clang/include/clang/AST/TemplateBase.h

@@ -23,7 +23,6 @@
 
 namespace llvm {
   class FoldingSetNodeID;
-  class raw_ostream;
 }
 
 namespace clang {

clang/include/clang/Analysis/CFG.h

@@ -28,10 +28,6 @@
 #include <cassert>
 #include <iterator>
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
   class CXXDestructorDecl;
   class Decl;

clang/include/clang/Basic/SourceLocation.h

@@ -22,7 +22,6 @@
 
 namespace llvm {
   class MemoryBuffer;
-  class raw_ostream;
   template <typename T> struct DenseMapInfo;
   template <typename T> struct isPodLike;
 }

clang/include/clang/Driver/ArgList.h

@@ -20,10 +20,6 @@
 #include <string>
 #include <vector>
 
-namespace llvm {
-  class Twine;
-}
-
 namespace clang {
   class Diagnostic;
 

clang/include/clang/Driver/Compilation.h

@@ -12,13 +12,8 @@
 
 #include "clang/Driver/Job.h"
 #include "clang/Driver/Util.h"
-
 #include "llvm/ADT/DenseMap.h"
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
 namespace driver {
   class DerivedArgList;

clang/include/clang/Driver/Driver.h

@@ -24,7 +24,6 @@
 #include <string>
 
 namespace llvm {
-  class raw_ostream;
   template<typename T> class ArrayRef;
 }
 namespace clang {

clang/include/clang/Frontend/CompilerInstance.h

@@ -19,7 +19,6 @@
 #include <string>
 
 namespace llvm {
-class raw_ostream;
 class raw_fd_ostream;
 class Timer;
 }

clang/include/clang/Frontend/CompilerInvocation.h

@@ -28,10 +28,6 @@
 #include <string>
 #include <vector>
 
-namespace llvm {
-  template<typename T> class SmallVectorImpl;
-}
-
 namespace clang {
 
 class Diagnostic;

clang/include/clang/Frontend/FrontendAction.h

@@ -16,10 +16,6 @@
 #include <string>
 #include <vector>
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
 class ASTConsumer;
 class ASTMergeAction;

clang/include/clang/Index/ASTLocation.h

@@ -17,10 +17,6 @@
 #include "clang/AST/TypeLoc.h"
 #include "llvm/ADT/PointerIntPair.h"
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
   class Decl;
   class Stmt;

clang/include/clang/Rewrite/FixItRewriter.h

@@ -19,8 +19,6 @@
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Rewrite/Rewriter.h"
 
-namespace llvm { class raw_ostream; }
-
 namespace clang {
 
 class SourceManager;

clang/include/clang/Rewrite/Rewriter.h

@@ -23,8 +23,6 @@
 #include <map>
 #include <string>
 
-namespace llvm { class raw_ostream; }
-
 namespace clang {
   class LangOptions;
   class Rewriter;

clang/include/clang/Sema/CodeCompleteConsumer.h

@@ -21,11 +21,6 @@
 #include "clang-c/Index.h"
 #include <string>
 
-namespace llvm {
-  class raw_ostream;
-  class Twine;
-}
-
 namespace clang {
 
 class Decl;

clang/include/clang/Sema/Initialization.h

@@ -22,10 +22,6 @@
 #include "llvm/ADT/SmallVector.h"
 #include <cassert>
 
-namespace llvm {
-  class raw_ostream;
-}
-
 namespace clang {
   
 class CXXBaseSpecifier;