Don't use <sstream> in Streams.h but <iosfwd> instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32340 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Support/Streams.h

@@ -15,7 +15,7 @@
 #ifndef LLVM_SUPPORT_STREAMS_H
 #define LLVM_SUPPORT_STREAMS_H
 
-#include <sstream>
+#include <iosfwd>
 
 namespace llvm {
 

lib/Debugger/SourceLanguage-Unknown.cpp

@@ -17,6 +17,7 @@
 #include "llvm/Debugger/ProgramInfo.h"
 #include "llvm/Support/Streams.h"
 #include <cassert>
+#include <ostream>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//

lib/Linker/LinkModules.cpp

@@ -25,6 +25,7 @@
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/Streams.h"
 #include "llvm/System/Path.h"
+#include <sstream>
 using namespace llvm;
 
 // Error - Simple wrapper function to conditionally assign to E and return true.

lib/Support/Allocator.cpp

@@ -14,6 +14,7 @@
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/Streams.h"
+#include <ostream>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//

lib/Support/CommandLine.cpp

@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <functional>
 #include <map>
+#include <ostream>
 #include <set>
 #include <cstdlib>
 #include <cerrno>

lib/Support/PluginLoader.cpp

@@ -15,6 +15,7 @@
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/Streams.h"
 #include "llvm/System/DynamicLibrary.h"
+#include <ostream>
 #include <vector>
 using namespace llvm;
 

lib/Support/Statistic.cpp

@@ -26,6 +26,7 @@
 #include "llvm/Support/Streams.h"
 #include "llvm/ADT/StringExtras.h"
 #include <algorithm>
+#include <ostream>
 using namespace llvm;
 
 // GetLibSupportInfoOutputFile - Return a file stream to print our output on...

lib/Support/SystemUtils.cpp

@@ -16,6 +16,7 @@
 #include "llvm/Support/SystemUtils.h"
 #include "llvm/System/Process.h"
 #include "llvm/System/Program.h"
+#include <ostream>
 using namespace llvm;
 
 bool llvm::CheckBytecodeOutputToConsole(std::ostream* stream_to_check,

lib/Target/CBackend/CBackend.cpp

@@ -42,7 +42,7 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Config/config.h"
 #include <algorithm>
-#include <ios>
+#include <sstream>
 using namespace llvm;
 
 namespace {

lib/Target/CBackend/Writer.cpp

@@ -42,7 +42,7 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Config/config.h"
 #include <algorithm>
-#include <ios>
+#include <sstream>
 using namespace llvm;
 
 namespace {

lib/Target/SubtargetFeature.cpp

@@ -15,6 +15,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Streams.h"
 #include <algorithm>
+#include <ostream>
 #include <cassert>
 #include <cctype>
 using namespace llvm;

lib/VMCore/Verifier.cpp

@@ -60,6 +60,7 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Compiler.h"
 #include <algorithm>
+#include <sstream>
 #include <cstdarg>
 using namespace llvm;