[patch] fix to allow dg-xfail-if with compat tests

[Janis Johnson]

This change makes it possible to use dg-xfail-if in compat tests.
There are no tests that use it yet, but I broke it recently and have
tested the fix with local changes to tests to verify that it works.
I'm checking this in.

2004-11-30  Janis Johnson  <janis187@us.ibm.com>

	* lib/compat.exp (compat-get-options): Fix for use with dg-xfail-if.

Index: lib/compat.exp
===================================================================
RCS file: /opt/gcc-cvs/gcc/gcc/testsuite/lib/compat.exp,v
retrieving revision 1.11
diff -u -p -r1.11 compat.exp
--- lib/compat.exp	23 Jul 2004 22:36:46 -0000	1.11
+++ lib/compat.exp	12 Nov 2004 00:30:47 -0000
@@ -200,6 +200,9 @@ proc compat-get-options { src } {
     global compiler_conditional_xfail_data
     set compiler_conditional_xfail_data ""
 
+    # dg-xfail-if needs access to dg-do-what.
+    upvar dg-do-what dg-do-what 
+
     set tmp [dg-get-options $src]
     foreach op $tmp {
 	set cmd [lindex $op 0]