Commits on Mar 8, 2024

1. [wasm] Import sys/mman.h through CoreFoundation …

   Importing `wasi_emulated_mman` in Swift code requires the client to
   define `_WASI_EMULATED_MMAN`. `@_implementationOnly import` was the only
   way to work around this, but it's now declared as unsafe if it's used in
   non-resilient moules (even though it's actually safe as long as the
   module does not use type layout of the imported module).
   The new scoped import feature always requires the transitive clients to
   load privately imported modules, so it's not a good fit for this tricky
   case where a special macro must be defined before importing the module.
   
   This patch imports `sys/mman.h` through CoreFoundation while defining
   `_WASI_EMULATED_MMAN` in the header exposed by modulemap. This way, the
   clients don't need to define it.

   

   kateinoigakukun committed Mar 8, 2024
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