Switch to opening the temp file in binary mode

This corrects an issue where the script would write the file with the
incorrect line endings on Windows.

diff --git a/clang/test/AST/gen_ast_dump_json_test.py b/clang/test/AST/gen_ast_dump_json_test.py
index 87b3318..f783c79 100644 (file)
--- a/clang/test/AST/gen_ast_dump_json_test.py
+++ b/clang/test/AST/gen_ast_dump_json_test.py
@@ -180,7 +180,7 @@ def process_file(source_file, clang_binary, cmdline_filters, cmdline_opts,
         
             filter_json(j, filters, out_asts)
         
-    with tempfile.NamedTemporaryFile("w", delete=False) as f:
+    with tempfile.NamedTemporaryFile("wb", delete=False) as f:
         with open(source_file, "r") as srcf:
             for line in srcf.readlines():
                 # copy up to the note: