tree b79edd0868a8e3d6c773b9857a2140952cbc81ff
parent 905e831f8c8341e53e7e3adc57fd20b8e08eb999
author Daniel Paoliello <danpao@microsoft.com> 1732150110 -0800
committer GitHub <noreply@github.com> 1732150110 -0800
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[clang] Add support for `__declspec(no_init_all)` (#116847)

In MSVC, when `/d1initall` is enabled, `__declspec(no_init_all)` can be
applied to a type to suppress auto-initialization for all instances of
that type or to a function to suppress auto-initialization for all
locals within that function.

This change does the same for Clang, except that it applies to the
`-ftrivial-auto-var-init` flag instead.

NOTE: I did not add a Clang-specific spelling for this but would be
happy to make a followup PR if folks are interested in that.