PATCH: Fix handling of `-Xlinker' by g++

[John David Anglin]

This fixes the problem noted here:
< http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg00209.html >.  I have checked
that g++spec.c compiles correctly and that the problem noted with
`-Xlinker -E' is corrected.

OK for main and branch?

Dave
-- 
J. David Anglin                                  dave.anglin@nrc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)

2001-06-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* g++spec.c (lang_specific_driver): Quote argument after `-Xlinker'.

--- g++spec.c.orig	Fri Feb  2 12:41:57 2001
+++ g++spec.c	Thu Jun  7 16:38:46 2001
@@ -151,6 +151,7 @@
 	    saw_speclang = 1;
 	  else if (((argv[i][2] == '\0'
 		     && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
+		    || strcmp (argv[i], "-Xlinker") == 0
 		    || strcmp (argv[i], "-Tdata") == 0))
 	    quote = argv[i];
 	  else if (library != 0 && ((argv[i][2] == '\0'