[clang] [clang][analyzer] Fix false positive in StdLibraryFunctionsChecker for mmap with MAP_ANON (PR #219568)

[Balázs Benics via cfe-commits]

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+// RUN: %clang_analyze_cc1 -analyzer-checker=unix.StdCLibraryFunctions \
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steakhal wrote:

I think the test file name is pretty specific. How about `stdlibraryfunction-darwin.c`?
Any time we would have something darwin-specific, we could put it there.

https://github.com/llvm/llvm-project/pull/219568