1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 120c5c0..4724276 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -4478,6 +4478,9 @@ process_command (unsigned int decoded_options_count,
 		       output_file);
     }
 
+  if (output_file != NULL && output_file[0] == '\0')
+    fatal_error (input_location, "output filename may not be empty");
+
   /* If -save-temps=obj and -o name, create the prefix to use for %b.
      Otherwise just make -save-temps=obj the same as -save-temps=cwd.  */
   if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL)