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Suppress some noisy / buggy warnings#1136

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dmitrykobets-msft merged 7 commits into
microsoft:mainfrom
dmitrykobets-msft:suppress_buggy_warning
Sep 11, 2023
Merged

Suppress some noisy / buggy warnings#1136
dmitrykobets-msft merged 7 commits into
microsoft:mainfrom
dmitrykobets-msft:suppress_buggy_warning

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@dmitrykobets-msft dmitrykobets-msft commented Sep 7, 2023

Two warnings were being emitted in the MSVC+LLVM tests.

The warning -Wunsafe-buffer-usage is initially introduced in some capacity here https://reviews.llvm.org/D137346 pointing to documentation at https://discourse.llvm.org/t/rfc-c-buffer-hardening/65734. The warning is a stylistic checker whose goal is to "emit a warning every time an unsafe operation is performed on a raw pointer". This type of programming model is not useful for library implementations of types such as span, where direct manipulation of raw pointers is inevitable, so disable the warning altogether.

There is also a false-positive warning llvm/llvm-project#65689 that I've disabled inline.

@dmitrykobets-msft dmitrykobets-msft marked this pull request as ready for review September 11, 2023 17:06
@dmitrykobets-msft dmitrykobets-msft merged commit 2940006 into microsoft:main Sep 11, 2023
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