re PR testsuite/41659 (FAIL: gcc.dg/lto/20090914-2 c_lto_20090914-2_0.o assemble, -O0 -fwhopr)

	PR testsuite/41659
	* gcc.dg/lto/20090914-2.c: Use dg-skip-if to skip test.
	* lib/lto.exp (lto-get-options-main): Report error for using "target"
	or "xfail" with dg-lto-dg.

From-SVN: r152671

gcc/testsuite/ChangeLog

+2009-10-12  Janis Johnson  <janis187@us.ibm.com>
+
+	PR testsuite/41659
+	* gcc.dg/lto/20090914-2.c: Use dg-skip-if to skip test.
+	* lib/lto.exp (lto-get-options-main): Report error for using "target"
+	or "xfail" with dg-lto-dg.
+
 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
 
 	* gcc.target/i386/ms_hook_prologue.c: New testcase.

gcc/testsuite/gcc.dg/lto/20090914-2_0.c

-/* { dg-lto-do run { target x86_64-*-* i?86-*-* } } */
+/* { dg-lto-do run */
+/* { dg-skip-if "x86 only" { ! { x86_64-*-* i?86-*-* } } { "*" } { "" } }
 
 /* Doesn't work without this dummy function with -fwhopr.  */
 int foo(void) { }

gcc/testsuite/lib/lto.exp

@@ -191,6 +191,16 @@ proc lto-get-options-main { src } {
 		   || ![string compare "dg-options" $cmd] } {
 	    warning "lto.exp does not support $cmd in primary source file"
 	} elseif { ![string compare "dg-lto-do" $cmd] } {
+	    if { [llength $op] > 3 } {
+		set kw [lindex [lindex $op 3] 0]
+		if [string match "target" $kw] {
+		    perror "$src: dg-lto-do does not support \"target\""
+		} elseif [string match "xfail" $kw] {
+		    perror "$src: dg-lto-do does not support \"xfail\""
+		} else {
+		    perror "$src: dg-lto-do takes a single argument"
+		}
+	    }
 	    set dgdo [lindex $op 2]
 	    verbose "dg-lto-do command for \"$op\" is $dgdo"
 	    if { ![string compare "assemble" $dgdo] } {