[compiler-rt] [ASan] Change strdup interceptor to allow null input on Windows (PR #122803)

[Florian Mayer via llvm-commits]

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@@ -0,0 +1,16 @@
+// RUN: %clang_cl_asan %s -Fe%t.exe
+// RUN: %run %t.exe | FileCheck %s
+
+// CHECK: Success
+
+#include <malloc.h>
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+  // Null input is valid to strdup on Windows.
+  char *nullStr = _strdup(nullptr);
+  free(nullStr);
+  puts("Success");
+  return 0;
+}
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fmayer wrote:

nit: missing EOL

https://github.com/llvm/llvm-project/pull/122803