[llvm-size] Use stderr instead of stdout for error messages.

This matches the behavior of other tools: objdump, readobj etc..

llvm-svn: 258667

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/tools/llvm-size/llvm-size.cpp b/llvm/tools/llvm-size/llvm-size.cpp
index 069cc621f61..e8f95573051 100644
--- a/llvm/tools/llvm-size/llvm-size.cpp
+++ b/llvm/tools/llvm-size/llvm-size.cpp
@@ -84,8 +84,8 @@ static bool error(std::error_code ec) {
   if (!ec)
     return false;
 
-  outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
-  outs().flush();
+  errs() << ToolName << ": error reading file: " << ec.message() << ".\n";
+  errs().flush();
   return true;
 }