Everywhere: Add Clang pragmas

We use these to prevent UB from being optimized away in `/bin/crash` and to make the compiler not warn about the many implicit floating point type promotions in LibM.
Author: https://github.com/BertalanD Commit: e8e628de57 Pull-request: https://github.com/SerenityOS/serenity/pull/8470 Reviewed-by: https://github.com/Dexesttp Reviewed-by: https://github.com/Hendiadyoin1 Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/gunnarbeutner ✅
2025-07-31 13:19:05 +00:00 · 2021-07-06 06:27:27 +02:00 · 2021-07-06 06:27:27 +02:00 · e8e628de57 · 2024-07-18 10:05:52 +09:00
commit e8e628de57
parent 98a9a1d7f9
2 changed files with 14 additions and 1 deletions
--- a/Userland/Libraries/LibM/math.cpp
+++ b/Userland/Libraries/LibM/math.cpp
@ -14,6 +14,11 @@
 #include <stdint.h>
 #include <stdlib.h>

+#ifdef __clang__
+#    pragma clang diagnostic push
+#    pragma clang diagnostic ignored "-Wdouble-promotion"
+#endif
+
 template<size_t>
 constexpr double e_to_power();
 template<>
@ -1461,3 +1466,7 @@ float nearbyintf(float value) NOEXCEPT
    return internal_to_integer(value, RoundingMode { fegetround() });
 }
 }
+
+#ifdef __clang__
+#    pragma clang diagnostic pop
+#endif