[libc-commits] [libc] [libc] Expand usage of libc null checks. (PR #116262)

[via libc-commits]

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@@ -65,4 +66,13 @@ TEST(LlvmLibcMemcmpTest, SizeSweep) {
   }
 }
 
+#if defined(LIBC_ADD_NULL_CHECKS) && !defined(LIBC_HAS_SANITIZER)
+
+TEST(LlvmLibcMemcmpTest, CrashOnNullPtr) {
+  ASSERT_DEATH([]() { LIBC_NAMESPACE::memcmp(nullptr, nullptr, 1); },
+               WITH_SIGNAL(-1));
+}
+
+#endif // defined(LIBC_TARGET_OS_IS_LINUX)
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lntue wrote:

nit: update `#endif` comment

https://github.com/llvm/llvm-project/pull/116262