--- gcc/jit/jit-recording.c~0	2019-09-14 16:12:43.000000000 +0300
+++ gcc/jit/jit-recording.c	2021-03-07 07:16:06.593750000 +0200
@@ -45,7 +45,7 @@ dump::dump (recording::context &ctxt,
   m_line (0),
   m_column (0)
 {
-  m_file = fopen (filename, "w");
+  m_file = fopen (filename, "wb");
   if (!m_file)
     ctxt.add_error (NULL,
 		    "error opening dump file %s for writing: %s",