decl.c (grokdeclarator): Only warn about non-zero arrays if !in_system_header…

decl.c (grokdeclarator): Only warn about non-zero arrays if !in_system_header (linux socketbits.h can...

	* decl.c (grokdeclarator): Only warn about non-zero arrays if
	!in_system_header (linux socketbits.h can give this for
	__cmsg_data, which is using a GNU extension).

From-SVN: r29842

gcc/cp/ChangeLog

+1999-10-06  Brendan Kehoe  <brendan@cygnus.com>
+
+	* decl.c (grokdeclarator): Only warn about non-zero arrays if
+	!in_system_header (linux socketbits.h can give this for
+	__cmsg_data, which is using a GNU extension).
+
 1999-10-05  Mark Mitchell  <mark@codesourcery.com>
 
 	* decl2.c (start_static_storage_duration_function): Push the

gcc/cp/decl.c

@@ -9883,7 +9883,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, attrlist)
 			      dname);
 		    size = integer_one_node;
 		  }
-		if (pedantic && integer_zerop (size))
+		if (pedantic && !in_system_header && integer_zerop (size))
 		  cp_pedwarn ("ANSI C++ forbids zero-size array `%D'", dname);
 		if (TREE_CONSTANT (size))
 		  {