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-rw-r--r--tools/llvm-ar/llvm-ar.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/llvm-ar/llvm-ar.cpp b/tools/llvm-ar/llvm-ar.cpp
index 64ef3fa1bb..d70db728f2 100644
--- a/tools/llvm-ar/llvm-ar.cpp
+++ b/tools/llvm-ar/llvm-ar.cpp
@@ -782,6 +782,13 @@ static void performWriteOperation(ArchiveOperation Operation,
sys::fs::file_status Status;
failIfError(sys::fs::status(FD, Status), FileName);
+ // Opening a directory doesn't make sense. Let it failed.
+ // Linux cannot open directories with open(2), although
+ // cygwin and *bsd can.
+ if (Status.type() == sys::fs::file_type::directory_file)
+ failIfError(error_code(errc::is_a_directory, posix_category()),
+ FileName);
+
OwningPtr<MemoryBuffer> File;
failIfError(MemoryBuffer::getOpenFile(FD, FileName, File,
Status.getSize(), false),