Delete dead code.

llvm-svn: 202001

3 files changed, 2 insertions, 15 deletions

diff --git a/llvm/include/llvm/Support/Program.h b/llvm/include/llvm/Support/Program.h
index 60b21818306..a1067a649ce 100644
--- a/llvm/include/llvm/Support/Program.h
+++ b/llvm/include/llvm/Support/Program.h
@@ -64,12 +64,11 @@ struct ProcessInfo {
   /// the program could not be found.
   std::string FindProgramByName(const std::string& name);
 
-  // These functions change the specified standard stream (stdin, stdout, or
-  // stderr) to binary mode. They return errc::success if the specified stream
+  // These functions change the specified standard stream (stdin or stdout) to
+  // binary mode. They return errc::success if the specified stream
   // was changed. Otherwise a platform dependent error is returned.
   error_code ChangeStdinToBinary();
   error_code ChangeStdoutToBinary();
-  error_code ChangeStderrToBinary();
 
   /// This function executes the program using the arguments provided.  The
   /// invoked program will inherit the stdin, stdout, and stderr file
diff --git a/llvm/lib/Support/Unix/Program.inc b/llvm/lib/Support/Unix/Program.inc
index 5aa024a3352..b4df9284897 100644
--- a/llvm/lib/Support/Unix/Program.inc
+++ b/llvm/lib/Support/Unix/Program.inc
@@ -434,11 +434,6 @@ error_code sys::ChangeStdoutToBinary(){
   return make_error_code(errc::success);
 }
 
-error_code sys::ChangeStderrToBinary(){
-  // Do nothing, as Unix doesn't differentiate between text and binary.
-  return make_error_code(errc::success);
-}
-
 bool llvm::sys::argumentsFitWithinSystemLimits(ArrayRef<const char*> Args) {
   static long ArgMax = sysconf(_SC_ARG_MAX);
 
diff --git a/llvm/lib/Support/Windows/Program.inc b/llvm/lib/Support/Windows/Program.inc
index 365e87eea59..1b777084c71 100644
--- a/llvm/lib/Support/Windows/Program.inc
+++ b/llvm/lib/Support/Windows/Program.inc
@@ -437,13 +437,6 @@ error_code sys::ChangeStdoutToBinary(){
   return make_error_code(errc::success);
 }
 
-error_code sys::ChangeStderrToBinary(){
-  int result = _setmode( _fileno(stderr), _O_BINARY );
-  if (result == -1)
-    return error_code(errno, generic_category());
-  return make_error_code(errc::success);
-}
-
 bool llvm::sys::argumentsFitWithinSystemLimits(ArrayRef<const char*> Args) {
   // The documented max length of the command line passed to CreateProcess.
   static const size_t MaxCommandStringLength = 32768;