[libcxx-commits] [libcxx] [libc++] Add an ABI flag to optimize mersenne_twister_engine (PR #206423)

[Louis Dionne via libcxx-commits]

================
@@ -35,6 +35,7 @@
     "_LIBCPP_ABI_NO_COMPRESSED_PAIR_PADDING": "libcpp-abi-no-compressed-pair-padding",
     "_LIBCPP_PSTL_BACKEND_LIBDISPATCH": "libcpp-pstl-backend-libdispatch",
     "_LIBCPP_ABI_USE_SMALL_DEQUE_BLOCK_SIZE": "libcpp-abi-use-small-deque-block-size",
+    "_LIBCPP_ABI_VECTORIZED_MERSENNE_TWISTER_ENGINE": "libcpp-abi-vectorized-mersenne-twister-engine"
----------------
ldionne wrote:

```suggestion
    "_LIBCPP_ABI_VECTORIZED_MERSENNE_TWISTER_ENGINE": "libcpp-abi-vectorized-mersenne-twister-engine",
```

https://github.com/llvm/llvm-project/pull/206423