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[PATCH 4/4] assert-h: suppress xlclang 16.1 false alarms


From: Paul Eggert
Subject: [PATCH 4/4] assert-h: suppress xlclang 16.1 false alarms
Date: Fri, 13 Jan 2023 12:17:04 -0800

* m4/assert_h.m4 (gl_ASSERT_H): Pacify older clangs too,
with regard to single-argument static_assert.
Problem found with xlclang 16.1 on AIX 7.2.
---
 ChangeLog      | 5 +++++
 m4/assert_h.m4 | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index b3b8ce5b9f..eb19f7dc0f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2023-01-13  Paul Eggert  <eggert@cs.ucla.edu>
 
+       assert-h: suppress xlclang 16.1 false alarms
+       * m4/assert_h.m4 (gl_ASSERT_H): Pacify older clangs too,
+       with regard to single-argument static_assert.
+       Problem found with xlclang 16.1 on AIX 7.2.
+
        assert-h: fix configure comment-out
        * m4/assert_h.m4 (gl_ASSERT_H): Also break apart "#undef
        static_assert" with /**/.  Problem discovered with xlclang 16.1,
diff --git a/m4/assert_h.m4 b/m4/assert_h.m4
index abba4fa3a1..3801452ef0 100644
--- a/m4/assert_h.m4
+++ b/m4/assert_h.m4
@@ -18,7 +18,7 @@ AC_DEFUN([gl_ASSERT_H],
        [AC_LANG_PROGRAM(
           [[#if defined __clang__ && __STDC_VERSION__ < 202311
              #pragma clang diagnostic error "-Wc2x-extensions"
-             #pragma clang diagnostic error "-Wc++17-extensions"
+             #pragma clang diagnostic error "-Wc++1z-extensions"
             #endif
             #ifdef INCLUDE_ASSERT_H
              #include <assert.h>
-- 
2.37.2




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