libstdc++: Reorder dg-options before dg-do

The options need to be set first, so that -std=gnu++20 is used when
checking the c++20 effective target.

libstdc++-v3/ChangeLog:

	* testsuite/std/format/arguments/lwg3810.cc: Move dg-options
	before dg-do.

diff --git a/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc b/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc
index 60587a9..9ccb654 100644 (file)
--- a/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc
+++ b/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc
@@ -1,5 +1,5 @@
-// { dg-do compile { target c++20 } }
 // { dg-options "-std=gnu++20" }
+// { dg-do compile { target c++20 } }
 
 // LWG 3810. CTAD for std::basic_format_args