[libc-commits] [libc] [WIP][libc] Add freelist malloc (PR #94270)

[Petr Hosek via libc-commits]

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@@ -74,6 +74,9 @@ LIBC_INLINE void *operator new[](size_t size, std::align_val_t align,
   return LIBC_NAMESPACE::AllocChecker::aligned_alloc(size, align, ac);
 }
 
+LIBC_INLINE void *operator new(size_t, void *__p) { return __p; }
+LIBC_INLINE void *operator new[](size_t, void *__p) { return __p; }
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petrhosek wrote:

Should these be defined as `noexcept`?
```suggestion
LIBC_INLINE void *operator new(size_t, void *__p) noexcept { return __p; }
LIBC_INLINE void *operator new[](size_t, void *__p) noexcept { return __p; }
```

https://github.com/llvm/llvm-project/pull/94270