hfuzz-cc: add a C++ wrapper

libhfuzz/memorycmp.c

diff --git a/libhfuzz/memorycmp.c b/libhfuzz/memorycmp.c
index 991d99e..420fcba 100644
--- a/libhfuzz/memorycmp.c
+++ b/libhfuzz/memorycmp.c
@@ -542,3 +542,9 @@
     return (
         HF_strcmp(str + str_len - suffix_len, suffix, (uintptr_t)__builtin_return_address(0)) == 0);
 }
+
+/* C++ wrappers */
+int _ZNSt11char_traitsIcE7compareEPKcS2_m(const char* s1, const char* s2, size_t count) {
+    return HF_memcmp(
+        s1, s2, count, instrumentConstAvail(), (uintptr_t)__builtin_return_address(0));
+}