vasnprintf: Fix multiple test failures on mingw.

[gnulib.git] / lib / argp-parse.c

diff --git a/lib/argp-parse.c b/lib/argp-parse.c
index 9a78778..a1cbf88 100644 (file)
--- a/lib/argp-parse.c
+++ b/lib/argp-parse.c
@@ -339,7 +339,7 @@ convert_options (const struct argp *argp,
                        values (the sign of the lower bits is preserved
                        however)...  */
                     cvt->long_end->val =
-                      ((opt->key | real->key) & USER_MASK)
+                      ((opt->key ? opt->key : real->key) & USER_MASK)
                       + (((group - cvt->parser->groups) + 1) << USER_BITS);
 
                     /* Keep the LONG_OPTS list terminated.  */