Fix comdat_group check with Solaris as

	* lib/target-supports.exp (check_effective_target_comdat_group):
	Allow for Solaris as comdat syntax.

	* g++.dg/debug/dwarf2/nested-4.C: Xfail scan-assembler-times on
	Solaris with comdat_group support and as.

From-SVN: r257272

gcc/testsuite/ChangeLog

+2018-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* lib/target-supports.exp (check_effective_target_comdat_group):
+	Allow for Solaris as comdat syntax.
+
+	* g++.dg/debug/dwarf2/nested-4.C: Xfail scan-assembler-times on
+	Solaris with comdat_group support and as.
+
 2018-01-31  Marek Polacek  <polacek@redhat.com>
 
 	PR c/81779

gcc/testsuite/g++.dg/debug/dwarf2/nested-4.C

 // PR debug/53235
 // { dg-options "-gdwarf-4 -fdebug-types-section" }
-// { dg-final { scan-assembler-times "debug_types" 2 { xfail { powerpc-ibm-aix* || { *-*-darwin* || { *-*-solaris2.1[1-9]* && { ! gas } } } } } } }
+// { dg-final { scan-assembler-times "debug_types" 2 { xfail { powerpc-ibm-aix* || { *-*-darwin* || { *-*-solaris2.* && { comdat_group && { ! gas } } } } } } } }
 
 namespace E {
   class O {};

gcc/testsuite/lib/target-supports.exp

@@ -8975,7 +8975,7 @@ proc check_effective_target_tls_get_addr_via_got { } {
 # Return 1 if the target uses comdat groups.
 
 proc check_effective_target_comdat_group {} {
-    return [check_no_messages_and_pattern comdat_group "\.section\[^\n\r]*,comdat" assembly {
+    return [check_no_messages_and_pattern comdat_group "\.section\[^\n\r]*,comdat|\.group\[^\n\r]*,#comdat" assembly {
 	// C++
 	inline int foo () { return 1; }
 	int (*fn) () = foo;