[PATCH] Fix some more is_trivial C++26 deprecation warnings

[Giuseppe D'Angelo]

Hello,




Thanks,
--
Giuseppe D'Angelo

From c1abe8e7a219e6218478249b93945c96ac81a78a Mon Sep 17 00:00:00 2001
From: Giuseppe D'Angelo <giuseppe.dang...@kdab.com>
Date: Tue, 10 Dec 2024 10:49:10 +0100
Subject: [PATCH] Fix some more is_trivial C++26 deprecation warnings

This test was accidentally missed; simply suppress the warnings there as
well.

Amends 6c41a912f5e.

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/trivial1.C: Suppress deprecation warnings from
	C++26.

Signed-off-by: Giuseppe D'Angelo <giuseppe.dang...@kdab.com>
---
 gcc/testsuite/g++.dg/cpp0x/trivial1.C | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gcc/testsuite/g++.dg/cpp0x/trivial1.C b/gcc/testsuite/g++.dg/cpp0x/trivial1.C
index 3fed57042ed..25a22472d7c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/trivial1.C
+++ b/gcc/testsuite/g++.dg/cpp0x/trivial1.C
@@ -15,6 +15,12 @@
 
 #include <type_traits>
 
+// is_trivial (and the notion of "trivial class") is deprecated as of C++26.
+#if __cplusplus > 202302L
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
 #define TRY(expr) static_assert (expr, #expr)
 #define YES(type) TRY(std::is_trivial<type>::value); \
   TRY(std::is_trivial<type[]>::value); \
@@ -84,3 +90,7 @@ NO(L);
 // PR c++/41421
 struct O { O(int); };
 NO(O);
+
+#if __cplusplus > 202302L
+#pragma GCC diagnostic pop
+#endif
-- 
2.34.1

This patch fixes a C++26 deprecation warning in g++'s (not libstdc++) autotests.

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