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
diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp
index 632b5f7..a31b80f 100644
--- a/lib/Support/Allocator.cpp
+++ b/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;
 
 //===----------------------------------------------------------------------===//
diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index 920811a..012f759 100644
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <functional>
 #include <map>
+#include <ostream>
 #include <set>
 #include <cstdlib>
 #include <cerrno>
diff --git a/lib/Support/PluginLoader.cpp b/lib/Support/PluginLoader.cpp
index 97b253e..3c9de89 100644
--- a/lib/Support/PluginLoader.cpp
+++ b/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;
 
diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp
index 8c08271..1b28eed 100644
--- a/lib/Support/Statistic.cpp
+++ b/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...
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index 1d2c108..30b9f8d 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/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,