[clang-tools-extra] [clang-tidy] Rename `cert-mem57-cpp` to `bugprone-default-operator-new-on-overaligned-type` (PR #165542)

[Baranov Victor via cfe-commits]

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+// RUN: %check_clang_tidy %s -std=c++14 bugprone-default-operator-new-on-overaligned-type %t
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vbvictor wrote:

It can be that this check is just bugged in standards higher than c++17. It's unfortunately common practice for `cert` checks. It's good to know how it fails, though.

My suggestion is to move this code to regular c++14 file and leave a "TODO" to work in higher standards.

https://github.com/llvm/llvm-project/pull/165542