gcc.c (do_spec_1): Fix off-by-one error for '%M' case.

2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>

	* gcc.c (do_spec_1): Fix off-by-one error for '%M' case.

From-SVN: r39684

gcc/ChangeLog

+2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
+
+	* gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
+
 2001-02-14  Mark Mitchell  <mark@codesourcery.com>
 
 	* Makefile.in (toplev.o): Depend on params.h.

gcc/gcc.c

@@ -4493,7 +4493,7 @@ do_spec_1 (spec, inswitch, soft_matched_part)
 
 		len = strlen (multilib_dir);
 		obstack_blank (&obstack, len + 1);
-		p = obstack_next_free (&obstack) - len;
+		p = obstack_next_free (&obstack) - (len + 1);
 
 		*p++ = '_';
 		for (q = multilib_dir; *q ; ++q, ++p)