[libcxx-commits] [libcxx] [libc++] Optimize ctype::to{lower, upper} (PR #145344)

[Nikolas Klauser via libcxx-commits]

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@@ -16,6 +16,15 @@ New entries should be added directly below the "Version" header.
 Version 21.0
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+* [libc++] Optimize ctype::to{lower,upper}
+
+  This patch removed __classic_upper_table() and __classic_lower_table(), which were only ever accessed from the dylib.
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philnik777 wrote:

Yes, exactly. This is a libc++-internal function. We've never used it ourselves in the headers, so it's your own fault if you call them. It's even more unlikely anybody even tried to use them, since it's not available on most platforms either.

https://github.com/llvm/llvm-project/pull/145344