[PATCH] D116366: [Support] Add MemoryBuffer::dontNeedIfMmap

[Alexandre Ganea via Phabricator via llvm-commits]

aganea added a subscriber: simon_tatham.
aganea added a comment.

@zibi @daltenty Is `madvise` not available on AIX, or is it a specific version of the OS that doesn't have it? The doc suggests is available: https://www.ibm.com/docs/en/aix/7.1?topic=m-madvise-subroutine
Is that specific machine missing a header? Perhaps `HAVE_SYS_MMAN_H` isn't defined? @simon_tatham

Unless any of you have a way to quickly test a solution, short term we maybe just `#ifndef _AIX` the call to `madvice`?


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  https://reviews.llvm.org/D116366/new/

https://reviews.llvm.org/D116366