[libcxx-commits] [libcxx] [libc++] Suppress reserved module name warning for `module std` (PR #228632)

[Sharadh Rajaraman via libcxx-commits]

sharadhr wrote:

> It is disabled when we build the module.

Given BMI sensitivity, I was under the impression that `std.cppm` should be 'prebuilt' at least once by the consumer, which means users would see that warning at least once. 

> how we do it

How _is_ it done in LLVM? 


https://github.com/llvm/llvm-project/pull/228632