[committed] libstdc++: Reorder dg-options before dg-do

[Jonathan Wakely via Gcc-patches]

Tested x86_64-linux. Pushed to trunk.

-- >8 --

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.
---
 libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc 
b/libstdc++-v3/testsuite/std/format/arguments/lwg3810.cc
index 60587a93d2c..9ccb654de1b 100644
--- 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
 
-- 
2.39.2