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 21:29:06 +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/Utilities/crash.cpp
+++ b/Userland/Utilities/crash.cpp
@ -21,7 +21,11 @@

 using Test::Crash;

-#pragma GCC optimize("O0")
+#ifdef __clang__
+#    pragma clang optimize off
+#else
+#    pragma GCC optimize("O0")
+#endif

 int main(int argc, char** argv)
 {