Modernize raw_fd_ostream's constructor a bit.

Take a StringRef instead of a "const char *".
Take a "std::error_code &" instead of a "std::string &" for error.

A create static method would be even better, but this patch is already a bit too
big.

llvm-svn: 216393

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/tools/llvm-mc/llvm-mc.cpp b/llvm/tools/llvm-mc/llvm-mc.cpp
index 42cde6e16f4..61d1d9960d0 100644
--- a/llvm/tools/llvm-mc/llvm-mc.cpp
+++ b/llvm/tools/llvm-mc/llvm-mc.cpp
@@ -208,11 +208,11 @@ static tool_output_file *GetOutputStream() {
   if (OutputFilename == "")
     OutputFilename = "-";
 
-  std::string Err;
+  std::error_code EC;
   tool_output_file *Out =
-      new tool_output_file(OutputFilename.c_str(), Err, sys::fs::F_None);
-  if (!Err.empty()) {
-    errs() << Err << '\n';
+      new tool_output_file(OutputFilename, EC, sys::fs::F_None);
+  if (EC) {
+    errs() << EC.message() << '\n';
     delete Out;
     return nullptr;
   }