Use binary mode for reading/writing bytecode files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19751 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index deb9397fec..83de4ebe25 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -164,9 +164,12 @@ int main(int argc, char **argv) {
     }
 
     if (OutputFilename == "-")
+      // FIXME: cout is not binary!
       Out = &std::cout;
     else {
-      Out = new std::ofstream(OutputFilename.c_str(), std::ios::out);
+      std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
+                                   std::ios::binary;
+      Out = new std::ofstream(OutputFilename.c_str(), io_mode);
 
       // Make sure that the Out file gets unlinked from the disk if we get a
       // signal