From 212f4a561c3abca57e262272b832ac3d09885692 Mon Sep 17 00:00:00 2001
From: Evan Nemerson <evan@nemerson.com>
Date: Thu, 19 Sep 2024 21:03:24 -0400
Subject: [PATCH] fix: silence a warning from some versions of ICX

There is a -Wpre-c11-compat warning which is emitted when icx sees a
_Noreturn keyword (which is a new feature of C11). The Hedley macro
already handles emitting it only if the compiler claims C11
compatibility,
---
 hedley.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/hedley.h b/hedley.h
index d084c7a..21771d6 100644
--- a/hedley.h
+++ b/hedley.h
@@ -1184,7 +1184,15 @@
   HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
 #  define HEDLEY_NO_RETURN __attribute__((__noreturn__))
 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
-#  define HEDLEY_NO_RETURN _Noreturn
+#  if HEDLEY_HAS_WARNING("-Wpre-c11-compat")
+#    define HEDLEY_NO_RETURN \
+       HEDLEY_DIAGNOSTIC_PUSH \
+       _Pragma("clang diagnostic ignored \"-Wpre-c11-compat\"") \
+       _Noreturn \
+       HEDLEY_DIAGNOSTIC_POP
+#  else
+#    define HEDLEY_NO_RETURN _Noreturn
+#  endif
 #elif defined(__cplusplus) && (__cplusplus >= 201103L)
 #  define HEDLEY_NO_RETURN HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]])
 #elif \