[libc-commits] [libc] [libc][stdfix] Implement `idivfx` functions in LLVM libc (PR #133005)

[via libc-commits]

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@@ -19,10 +19,19 @@
     if (LIBC_UNLIKELY((ptr) == nullptr))                                       \
       __builtin_trap();                                                        \
   } while (0)
+#define LIBC_CRASH_ON_VALUE(var, value)                                        \
+  do {                                                                         \
+    if (LIBC_UNLIKELY((var) == (value)))                                       \
+      __builtin_trap();                                                        \
+  } while (0)
+
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lntue wrote:

This is an option for hardening against UB, and it needs a different macro from `LIBC_ASSERT` because assertions will be omitted for non-debug build.

https://github.com/llvm/llvm-project/pull/133005